139519978

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 240014016

約数和(自身を除く): 100494038

約数列:

[1, 2, 13, 23, 26, 46, 131, 137, 169, 262, 274, 299, 338, 598, 1703, 1781, 3013, 3151, 3406, 3562, 3887, 6026, 6302, 7774, 17947, 22139, 23153, 35894, 39169, 40963, 44278, 46306, 78338, 81926, 233311, 412781, 466622, 509197, 532519, 825562, 1018394, 1065038, 3033043, 5366153, 6066086, 10732306, 69759989, 139519978]

約数ペア:

[(1, 139519978), (2, 69759989), (13, 10732306), (23, 6066086), (26, 5366153), (46, 3033043), (131, 1065038), (137, 1018394), (169, 825562), (262, 532519), (274, 509197), (299, 466622), (338, 412781), (598, 233311), (1703, 81926), (1781, 78338), (3013, 46306), (3151, 44278), (3406, 40963), (3562, 39169), (3887, 35894), (6026, 23153), (6302, 22139), (7774, 17947)]