821617888

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2371}}^1$

素因数の和:2425

約数の個数: 144

約数和(自身を含む): 2146498704

約数和(自身を除く): 1324880816

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 49, 52, 56, 68, 91, 98, 104, 112, 119, 136, 182, 196, 208, 221, 224, 238, 272, 364, 392, 416, 442, 476, 544, 637, 728, 784, 833, 884, 952, 1274, 1456, 1547, 1568, 1666, 1768, 1904, 2371, 2548, 2912, 3094, 3332, 3536, 3808, 4742, 5096, 6188, 6664, 7072, 9484, 10192, 10829, 12376, 13328, 16597, 18968, 20384, 21658, 24752, 26656, 30823, 33194, 37936, 40307, 43316, 49504, 61646, 66388, 75872, 80614, 86632, 116179, 123292, 132776, 161228, 173264, 215761, 232358, 246584, 265552, 282149, 322456, 346528, 431522, 464716, 493168, 523991, 531104, 564298, 644912, 863044, 929432, 986336, 1047982, 1128596, 1289824, 1510327, 1726088, 1858864, 1975043, 2095964, 2257192, 3020654, 3452176, 3667937, 3717728, 3950086, 4191928, 4514384, 6041308, 6904352, 7335874, 7900172, 8383856, 9028768, 12082616, 14671748, 15800344, 16767712, 24165232, 25675559, 29343496, 31600688, 48330464, 51351118, 58686992, 63201376, 102702236, 117373984, 205404472, 410808944, 821617888]

約数ペア:

[(1, 821617888), (2, 410808944), (4, 205404472), (7, 117373984), (8, 102702236), (13, 63201376), (14, 58686992), (16, 51351118), (17, 48330464), (26, 31600688), (28, 29343496), (32, 25675559), (34, 24165232), (49, 16767712), (52, 15800344), (56, 14671748), (68, 12082616), (91, 9028768), (98, 8383856), (104, 7900172), (112, 7335874), (119, 6904352), (136, 6041308), (182, 4514384), (196, 4191928), (208, 3950086), (221, 3717728), (224, 3667937), (238, 3452176), (272, 3020654), (364, 2257192), (392, 2095964), (416, 1975043), (442, 1858864), (476, 1726088), (544, 1510327), (637, 1289824), (728, 1128596), (784, 1047982), (833, 986336), (884, 929432), (952, 863044), (1274, 644912), (1456, 564298), (1547, 531104), (1568, 523991), (1666, 493168), (1768, 464716), (1904, 431522), (2371, 346528), (2548, 322456), (2912, 282149), (3094, 265552), (3332, 246584), (3536, 232358), (3808, 215761), (4742, 173264), (5096, 161228), (6188, 132776), (6664, 123292), (7072, 116179), (9484, 86632), (10192, 80614), (10829, 75872), (12376, 66388), (13328, 61646), (16597, 49504), (18968, 43316), (20384, 40307), (21658, 37936), (24752, 33194), (26656, 30823)]