28478873824

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2657}}^1$

素因数の和:2781

約数の個数: 144

約数和(自身を含む): 63746388720

約数和(自身を除く): 35267514896

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 61, 68, 76, 122, 136, 152, 244, 272, 289, 304, 323, 488, 544, 578, 608, 646, 976, 1037, 1156, 1159, 1292, 1952, 2074, 2312, 2318, 2584, 2657, 4148, 4624, 4636, 5168, 5314, 5491, 8296, 9248, 9272, 10336, 10628, 10982, 16592, 17629, 18544, 19703, 21256, 21964, 33184, 35258, 37088, 39406, 42512, 43928, 45169, 50483, 70516, 78812, 85024, 87856, 90338, 100966, 141032, 157624, 162077, 175712, 180676, 201932, 282064, 315248, 324154, 334951, 361352, 403864, 564128, 630496, 648308, 669902, 722704, 767873, 807728, 858211, 1296616, 1339804, 1445408, 1535746, 1615456, 1716422, 2593232, 2679608, 2755309, 3071492, 3079463, 3432844, 5186464, 5359216, 5510618, 6142984, 6158926, 6865688, 10718432, 11021236, 12285968, 12317852, 13731376, 14589587, 22042472, 24571936, 24635704, 27462752, 29179174, 44084944, 46840253, 49271408, 52350871, 58358348, 88169888, 93680506, 98542816, 104701742, 116716696, 187361012, 209403484, 233433392, 374722024, 418806968, 466866784, 749444048, 837613936, 889964807, 1498888096, 1675227872, 1779929614, 3559859228, 7119718456, 14239436912, 28478873824]

約数ペア:

[(1, 28478873824), (2, 14239436912), (4, 7119718456), (8, 3559859228), (16, 1779929614), (17, 1675227872), (19, 1498888096), (32, 889964807), (34, 837613936), (38, 749444048), (61, 466866784), (68, 418806968), (76, 374722024), (122, 233433392), (136, 209403484), (152, 187361012), (244, 116716696), (272, 104701742), (289, 98542816), (304, 93680506), (323, 88169888), (488, 58358348), (544, 52350871), (578, 49271408), (608, 46840253), (646, 44084944), (976, 29179174), (1037, 27462752), (1156, 24635704), (1159, 24571936), (1292, 22042472), (1952, 14589587), (2074, 13731376), (2312, 12317852), (2318, 12285968), (2584, 11021236), (2657, 10718432), (4148, 6865688), (4624, 6158926), (4636, 6142984), (5168, 5510618), (5314, 5359216), (5491, 5186464), (8296, 3432844), (9248, 3079463), (9272, 3071492), (10336, 2755309), (10628, 2679608), (10982, 2593232), (16592, 1716422), (17629, 1615456), (18544, 1535746), (19703, 1445408), (21256, 1339804), (21964, 1296616), (33184, 858211), (35258, 807728), (37088, 767873), (39406, 722704), (42512, 669902), (43928, 648308), (45169, 630496), (50483, 564128), (70516, 403864), (78812, 361352), (85024, 334951), (87856, 324154), (90338, 315248), (100966, 282064), (141032, 201932), (157624, 180676), (162077, 175712)]