138679936

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:609

約数の個数: 64

約数和(自身を含む): 293760000

約数和(自身を除く): 155080064

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 127, 128, 152, 254, 304, 449, 508, 608, 898, 1016, 1216, 1796, 2032, 2413, 2432, 3592, 4064, 4826, 7184, 8128, 8531, 9652, 14368, 16256, 17062, 19304, 28736, 34124, 38608, 57023, 57472, 68248, 77216, 114046, 136496, 154432, 228092, 272992, 308864, 456184, 545984, 912368, 1083437, 1091968, 1824736, 2166874, 3649472, 4333748, 7298944, 8667496, 17334992, 34669984, 69339968, 138679936]

約数ペア:

[(1, 138679936), (2, 69339968), (4, 34669984), (8, 17334992), (16, 8667496), (19, 7298944), (32, 4333748), (38, 3649472), (64, 2166874), (76, 1824736), (127, 1091968), (128, 1083437), (152, 912368), (254, 545984), (304, 456184), (449, 308864), (508, 272992), (608, 228092), (898, 154432), (1016, 136496), (1216, 114046), (1796, 77216), (2032, 68248), (2413, 57472), (2432, 57023), (3592, 38608), (4064, 34124), (4826, 28736), (7184, 19304), (8128, 17062), (8531, 16256), (9652, 14368)]