64377776

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12457}}^1$

素因数の和:12501

約数の個数: 40

約数和(自身を含む): 139031280

約数和(自身を除く): 74653504

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 12457, 24914, 49828, 99656, 199312, 211769, 236683, 423538, 473366, 847076, 946732, 1694152, 1893464, 3388304, 3786928, 4023611, 8047222, 16094444, 32188888, 64377776]

約数ペア:

[(1, 64377776), (2, 32188888), (4, 16094444), (8, 8047222), (16, 4023611), (17, 3786928), (19, 3388304), (34, 1893464), (38, 1694152), (68, 946732), (76, 847076), (136, 473366), (152, 423538), (272, 236683), (304, 211769), (323, 199312), (646, 99656), (1292, 49828), (2584, 24914), (5168, 12457)]