1278378

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 48

約数和(自身を含む): 2995200

約数和(自身を除く): 1716822

約数列:

[1, 2, 3, 6, 9, 18, 29, 31, 58, 62, 79, 87, 93, 158, 174, 186, 237, 261, 279, 474, 522, 558, 711, 899, 1422, 1798, 2291, 2449, 2697, 4582, 4898, 5394, 6873, 7347, 8091, 13746, 14694, 16182, 20619, 22041, 41238, 44082, 71021, 142042, 213063, 426126, 639189, 1278378]

約数ペア:

[(1, 1278378), (2, 639189), (3, 426126), (6, 213063), (9, 142042), (18, 71021), (29, 44082), (31, 41238), (58, 22041), (62, 20619), (79, 16182), (87, 14694), (93, 13746), (158, 8091), (174, 7347), (186, 6873), (237, 5394), (261, 4898), (279, 4582), (474, 2697), (522, 2449), (558, 2291), (711, 1798), (899, 1422)]