647420016

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{254489}}^1$

素因数の和:254553

約数の個数: 40

約数和(自身を含む): 1704065040

約数和(自身を除く): 1056645024

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 254489, 508978, 763467, 1017956, 1526934, 2035912, 3053868, 4071824, 6107736, 12215472, 13487917, 26975834, 40463751, 53951668, 80927502, 107903336, 161855004, 215806672, 323710008, 647420016]

約数ペア:

[(1, 647420016), (2, 323710008), (3, 215806672), (4, 161855004), (6, 107903336), (8, 80927502), (12, 53951668), (16, 40463751), (24, 26975834), (48, 13487917), (53, 12215472), (106, 6107736), (159, 4071824), (212, 3053868), (318, 2035912), (424, 1526934), (636, 1017956), (848, 763467), (1272, 508978), (2544, 254489)]