28176772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 48

約数和(自身を含む): 56761600

約数和(自身を除く): 28584828

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 79, 158, 247, 316, 361, 494, 722, 988, 1027, 1444, 1501, 2054, 3002, 4108, 4693, 6004, 6859, 9386, 13718, 18772, 19513, 27436, 28519, 39026, 57038, 78052, 89167, 114076, 178334, 356668, 370747, 541861, 741494, 1083722, 1482988, 2167444, 7044193, 14088386, 28176772]

約数ペア:

[(1, 28176772), (2, 14088386), (4, 7044193), (13, 2167444), (19, 1482988), (26, 1083722), (38, 741494), (52, 541861), (76, 370747), (79, 356668), (158, 178334), (247, 114076), (316, 89167), (361, 78052), (494, 57038), (722, 39026), (988, 28519), (1027, 27436), (1444, 19513), (1501, 18772), (2054, 13718), (3002, 9386), (4108, 6859), (4693, 6004)]