81654704

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{2377}}^1$

素因数の和:2517

約数の個数: 40

約数和(自身を含む): 168077040

約数和(自身を除く): 86422336

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 113, 152, 226, 304, 452, 904, 1808, 2147, 2377, 4294, 4754, 8588, 9508, 17176, 19016, 34352, 38032, 45163, 90326, 180652, 268601, 361304, 537202, 722608, 1074404, 2148808, 4297616, 5103419, 10206838, 20413676, 40827352, 81654704]

約数ペア:

[(1, 81654704), (2, 40827352), (4, 20413676), (8, 10206838), (16, 5103419), (19, 4297616), (38, 2148808), (76, 1074404), (113, 722608), (152, 537202), (226, 361304), (304, 268601), (452, 180652), (904, 90326), (1808, 45163), (2147, 38032), (2377, 34352), (4294, 19016), (4754, 17176), (8588, 9508)]