1621256

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 3991680

約数和(自身を除く): 2370424

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 131, 136, 182, 221, 238, 262, 364, 442, 476, 524, 728, 884, 917, 952, 1048, 1547, 1703, 1768, 1834, 2227, 3094, 3406, 3668, 4454, 6188, 6812, 7336, 8908, 11921, 12376, 13624, 15589, 17816, 23842, 28951, 31178, 47684, 57902, 62356, 95368, 115804, 124712, 202657, 231608, 405314, 810628, 1621256]

約数ペア:

[(1, 1621256), (2, 810628), (4, 405314), (7, 231608), (8, 202657), (13, 124712), (14, 115804), (17, 95368), (26, 62356), (28, 57902), (34, 47684), (52, 31178), (56, 28951), (68, 23842), (91, 17816), (104, 15589), (119, 13624), (131, 12376), (136, 11921), (182, 8908), (221, 7336), (238, 6812), (262, 6188), (364, 4454), (442, 3668), (476, 3406), (524, 3094), (728, 2227), (884, 1834), (917, 1768), (952, 1703), (1048, 1547)]