389968308

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{2137}}^1$

素因数の和:2321

約数の個数: 72

約数和(自身を含む): 1020262152

約数和(自身を除く): 630293844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 137, 148, 222, 274, 333, 411, 444, 548, 666, 822, 1233, 1332, 1644, 2137, 2466, 4274, 4932, 5069, 6411, 8548, 10138, 12822, 15207, 19233, 20276, 25644, 30414, 38466, 45621, 60828, 76932, 79069, 91242, 158138, 182484, 237207, 292769, 316276, 474414, 585538, 711621, 878307, 948828, 1171076, 1423242, 1756614, 2634921, 2846484, 3513228, 5269842, 10539684, 10832453, 21664906, 32497359, 43329812, 64994718, 97492077, 129989436, 194984154, 389968308]

約数ペア:

[(1, 389968308), (2, 194984154), (3, 129989436), (4, 97492077), (6, 64994718), (9, 43329812), (12, 32497359), (18, 21664906), (36, 10832453), (37, 10539684), (74, 5269842), (111, 3513228), (137, 2846484), (148, 2634921), (222, 1756614), (274, 1423242), (333, 1171076), (411, 948828), (444, 878307), (548, 711621), (666, 585538), (822, 474414), (1233, 316276), (1332, 292769), (1644, 237207), (2137, 182484), (2466, 158138), (4274, 91242), (4932, 79069), (5069, 76932), (6411, 60828), (8548, 45621), (10138, 38466), (12822, 30414), (15207, 25644), (19233, 20276)]