2021029686

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{278609}}^1$

素因数の和:278661

約数の個数: 48

約数和(自身を含む): 4867873920

約数和(自身を除く): 2846844234

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 3627, 7254, 278609, 557218, 835827, 1671654, 2507481, 3621917, 5014962, 7243834, 8636879, 10865751, 17273758, 21731502, 25910637, 32597253, 51821274, 65194506, 77731911, 112279427, 155463822, 224558854, 336838281, 673676562, 1010514843, 2021029686]

約数ペア:

[(1, 2021029686), (2, 1010514843), (3, 673676562), (6, 336838281), (9, 224558854), (13, 155463822), (18, 112279427), (26, 77731911), (31, 65194506), (39, 51821274), (62, 32597253), (78, 25910637), (93, 21731502), (117, 17273758), (186, 10865751), (234, 8636879), (279, 7243834), (403, 5014962), (558, 3621917), (806, 2507481), (1209, 1671654), (2418, 835827), (3627, 557218), (7254, 278609)]