680921904

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1091221}}^1$

素因数の和:1091245

約数の個数: 40

約数和(自身を含む): 1894361392

約数和(自身を除く): 1213439488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 1091221, 2182442, 3273663, 4364884, 6547326, 8729768, 13094652, 14185873, 17459536, 26189304, 28371746, 42557619, 52378608, 56743492, 85115238, 113486984, 170230476, 226973968, 340460952, 680921904]

約数ペア:

[(1, 680921904), (2, 340460952), (3, 226973968), (4, 170230476), (6, 113486984), (8, 85115238), (12, 56743492), (13, 52378608), (16, 42557619), (24, 28371746), (26, 26189304), (39, 17459536), (48, 14185873), (52, 13094652), (78, 8729768), (104, 6547326), (156, 4364884), (208, 3273663), (312, 2182442), (624, 1091221)]