261548016

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{126719}}^1$

素因数の和:126773

約数の個数: 40

約数和(自身を含む): 691384320

約数和(自身を除く): 429836304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 126719, 253438, 380157, 506876, 760314, 1013752, 1520628, 2027504, 3041256, 5448917, 6082512, 10897834, 16346751, 21795668, 32693502, 43591336, 65387004, 87182672, 130774008, 261548016]

約数ペア:

[(1, 261548016), (2, 130774008), (3, 87182672), (4, 65387004), (6, 43591336), (8, 32693502), (12, 21795668), (16, 16346751), (24, 10897834), (43, 6082512), (48, 5448917), (86, 3041256), (129, 2027504), (172, 1520628), (258, 1013752), (344, 760314), (516, 506876), (688, 380157), (1032, 253438), (2064, 126719)]