1277772728

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1\times {\mathrm{379}}^1$

素因数の和:732

約数の個数: 64

約数和(自身を含む): 2551046400

約数和(自身を除く): 1273273672

約数列:

[1, 2, 4, 8, 23, 46, 73, 92, 146, 184, 251, 292, 379, 502, 584, 758, 1004, 1516, 1679, 2008, 3032, 3358, 5773, 6716, 8717, 11546, 13432, 17434, 18323, 23092, 27667, 34868, 36646, 46184, 55334, 69736, 73292, 95129, 110668, 146584, 190258, 221336, 380516, 421429, 636341, 761032, 842858, 1272682, 1685716, 2187967, 2545364, 3371432, 4375934, 5090728, 6944417, 8751868, 13888834, 17503736, 27777668, 55555336, 159721591, 319443182, 638886364, 1277772728]

約数ペア:

[(1, 1277772728), (2, 638886364), (4, 319443182), (8, 159721591), (23, 55555336), (46, 27777668), (73, 17503736), (92, 13888834), (146, 8751868), (184, 6944417), (251, 5090728), (292, 4375934), (379, 3371432), (502, 2545364), (584, 2187967), (758, 1685716), (1004, 1272682), (1516, 842858), (1679, 761032), (2008, 636341), (3032, 421429), (3358, 380516), (5773, 221336), (6716, 190258), (8717, 146584), (11546, 110668), (13432, 95129), (17434, 73292), (18323, 69736), (23092, 55334), (27667, 46184), (34868, 36646)]