139393918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{491}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 228602880

約数和(自身を除く): 89208962

約数列:

[1, 2, 19, 31, 38, 62, 241, 482, 491, 589, 982, 1178, 4579, 7471, 9158, 9329, 14942, 15221, 18658, 30442, 118331, 141949, 236662, 283898, 289199, 578398, 2248289, 3668261, 4496578, 7336522, 69696959, 139393918]

約数ペア:

[(1, 139393918), (2, 69696959), (19, 7336522), (31, 4496578), (38, 3668261), (62, 2248289), (241, 578398), (482, 289199), (491, 283898), (589, 236662), (982, 141949), (1178, 118331), (4579, 30442), (7471, 18658), (9158, 15221), (9329, 14942)]