245171444

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^2$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 526716288

約数和(自身を除く): 281544844

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 61, 79, 92, 122, 158, 161, 244, 316, 322, 427, 553, 644, 854, 1106, 1403, 1708, 1817, 2212, 2806, 3634, 4819, 5612, 6241, 7268, 9638, 9821, 12482, 12719, 19276, 19642, 24964, 25438, 33733, 39284, 43687, 50876, 67466, 87374, 110837, 134932, 143543, 174748, 221674, 287086, 380701, 443348, 574172, 761402, 775859, 1004801, 1522804, 1551718, 2009602, 2664907, 3103436, 4019204, 5329814, 8756123, 10659628, 17512246, 35024492, 61292861, 122585722, 245171444]

約数ペア:

[(1, 245171444), (2, 122585722), (4, 61292861), (7, 35024492), (14, 17512246), (23, 10659628), (28, 8756123), (46, 5329814), (61, 4019204), (79, 3103436), (92, 2664907), (122, 2009602), (158, 1551718), (161, 1522804), (244, 1004801), (316, 775859), (322, 761402), (427, 574172), (553, 443348), (644, 380701), (854, 287086), (1106, 221674), (1403, 174748), (1708, 143543), (1817, 134932), (2212, 110837), (2806, 87374), (3634, 67466), (4819, 50876), (5612, 43687), (6241, 39284), (7268, 33733), (9638, 25438), (9821, 24964), (12482, 19642), (12719, 19276)]