918183864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{21481}}^1$

素因数の和:21640

約数の個数: 64

約数和(自身を含む): 2490193440

約数和(自身を除く): 1572009576

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 137, 156, 274, 312, 411, 548, 822, 1096, 1644, 1781, 3288, 3562, 5343, 7124, 10686, 14248, 21372, 21481, 42744, 42962, 64443, 85924, 128886, 171848, 257772, 279253, 515544, 558506, 837759, 1117012, 1675518, 2234024, 2942897, 3351036, 5885794, 6702072, 8828691, 11771588, 17657382, 23543176, 35314764, 38257661, 70629528, 76515322, 114772983, 153030644, 229545966, 306061288, 459091932, 918183864]

約数ペア:

[(1, 918183864), (2, 459091932), (3, 306061288), (4, 229545966), (6, 153030644), (8, 114772983), (12, 76515322), (13, 70629528), (24, 38257661), (26, 35314764), (39, 23543176), (52, 17657382), (78, 11771588), (104, 8828691), (137, 6702072), (156, 5885794), (274, 3351036), (312, 2942897), (411, 2234024), (548, 1675518), (822, 1117012), (1096, 837759), (1644, 558506), (1781, 515544), (3288, 279253), (3562, 257772), (5343, 171848), (7124, 128886), (10686, 85924), (14248, 64443), (21372, 42962), (21481, 42744)]