28678524

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 87333120

約数和(自身を除く): 58654596

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 19, 21, 28, 34, 38, 42, 49, 51, 57, 68, 76, 84, 98, 102, 114, 119, 133, 147, 151, 196, 204, 228, 238, 266, 294, 302, 323, 357, 399, 453, 476, 532, 588, 604, 646, 714, 798, 833, 906, 931, 969, 1057, 1292, 1428, 1596, 1666, 1812, 1862, 1938, 2114, 2261, 2499, 2567, 2793, 2869, 3171, 3332, 3724, 3876, 4228, 4522, 4998, 5134, 5586, 5738, 6342, 6783, 7399, 7701, 8607, 9044, 9996, 10268, 11172, 11476, 12684, 13566, 14798, 15402, 15827, 17214, 17969, 20083, 22197, 27132, 29596, 30804, 31654, 34428, 35938, 40166, 44394, 47481, 48773, 53907, 60249, 63308, 71876, 80332, 88788, 94962, 97546, 107814, 120498, 125783, 140581, 146319, 189924, 195092, 215628, 240996, 251566, 281162, 292638, 341411, 377349, 421743, 503132, 562324, 585276, 682822, 754698, 843486, 1024233, 1365644, 1509396, 1686972, 2048466, 2389877, 4096932, 4779754, 7169631, 9559508, 14339262, 28678524]

約数ペア:

[(1, 28678524), (2, 14339262), (3, 9559508), (4, 7169631), (6, 4779754), (7, 4096932), (12, 2389877), (14, 2048466), (17, 1686972), (19, 1509396), (21, 1365644), (28, 1024233), (34, 843486), (38, 754698), (42, 682822), (49, 585276), (51, 562324), (57, 503132), (68, 421743), (76, 377349), (84, 341411), (98, 292638), (102, 281162), (114, 251566), (119, 240996), (133, 215628), (147, 195092), (151, 189924), (196, 146319), (204, 140581), (228, 125783), (238, 120498), (266, 107814), (294, 97546), (302, 94962), (323, 88788), (357, 80332), (399, 71876), (453, 63308), (476, 60249), (532, 53907), (588, 48773), (604, 47481), (646, 44394), (714, 40166), (798, 35938), (833, 34428), (906, 31654), (931, 30804), (969, 29596), (1057, 27132), (1292, 22197), (1428, 20083), (1596, 17969), (1666, 17214), (1812, 15827), (1862, 15402), (1938, 14798), (2114, 13566), (2261, 12684), (2499, 11476), (2567, 11172), (2793, 10268), (2869, 9996), (3171, 9044), (3332, 8607), (3724, 7701), (3876, 7399), (4228, 6783), (4522, 6342), (4998, 5738), (5134, 5586)]