8750028

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:691

約数の個数: 72

約数和(自身を含む): 24820992

約数和(自身を除く): 16070964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 49, 69, 84, 92, 98, 138, 147, 161, 196, 276, 294, 322, 483, 588, 644, 647, 966, 1127, 1294, 1932, 1941, 2254, 2588, 3381, 3882, 4508, 4529, 6762, 7764, 9058, 13524, 13587, 14881, 18116, 27174, 29762, 31703, 44643, 54348, 59524, 63406, 89286, 95109, 104167, 126812, 178572, 190218, 208334, 312501, 380436, 416668, 625002, 729169, 1250004, 1458338, 2187507, 2916676, 4375014, 8750028]

約数ペア:

[(1, 8750028), (2, 4375014), (3, 2916676), (4, 2187507), (6, 1458338), (7, 1250004), (12, 729169), (14, 625002), (21, 416668), (23, 380436), (28, 312501), (42, 208334), (46, 190218), (49, 178572), (69, 126812), (84, 104167), (92, 95109), (98, 89286), (138, 63406), (147, 59524), (161, 54348), (196, 44643), (276, 31703), (294, 29762), (322, 27174), (483, 18116), (588, 14881), (644, 13587), (647, 13524), (966, 9058), (1127, 7764), (1294, 6762), (1932, 4529), (1941, 4508), (2254, 3882), (2588, 3381)]