215516990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{863}}^1$

素因数の和:1013

約数の個数: 64

約数和(自身を含む): 446777856

約数和(自身を除く): 231260866

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 113, 130, 170, 221, 226, 442, 565, 863, 1105, 1130, 1469, 1726, 1921, 2210, 2938, 3842, 4315, 7345, 8630, 9605, 11219, 14671, 14690, 19210, 22438, 24973, 29342, 49946, 56095, 73355, 97519, 112190, 124865, 146710, 190723, 195038, 249730, 381446, 487595, 953615, 975190, 1267747, 1657823, 1907230, 2535494, 3315646, 6338735, 8289115, 12677470, 16578230, 21551699, 43103398, 107758495, 215516990]

約数ペア:

[(1, 215516990), (2, 107758495), (5, 43103398), (10, 21551699), (13, 16578230), (17, 12677470), (26, 8289115), (34, 6338735), (65, 3315646), (85, 2535494), (113, 1907230), (130, 1657823), (170, 1267747), (221, 975190), (226, 953615), (442, 487595), (565, 381446), (863, 249730), (1105, 195038), (1130, 190723), (1469, 146710), (1726, 124865), (1921, 112190), (2210, 97519), (2938, 73355), (3842, 56095), (4315, 49946), (7345, 29342), (8630, 24973), (9605, 22438), (11219, 19210), (14671, 14690)]