128418046

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 203886720

約数和(自身を除く): 75468674

約数列:

[1, 2, 37, 53, 74, 106, 137, 239, 274, 478, 1961, 3922, 5069, 7261, 8843, 10138, 12667, 14522, 17686, 25334, 32743, 65486, 268657, 468679, 537314, 937358, 1211491, 1735379, 2422982, 3470758, 64209023, 128418046]

約数ペア:

[(1, 128418046), (2, 64209023), (37, 3470758), (53, 2422982), (74, 1735379), (106, 1211491), (137, 937358), (239, 537314), (274, 468679), (478, 268657), (1961, 65486), (3922, 32743), (5069, 25334), (7261, 17686), (8843, 14522), (10138, 12667)]