628541888

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39761}}^1$

素因数の和:39805

約数の個数: 56

約数和(自身を含む): 1413936720

約数和(自身を除く): 785394832

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1976, 3952, 7904, 15808, 39761, 79522, 159044, 318088, 516893, 636176, 755459, 1033786, 1272352, 1510918, 2067572, 2544704, 3021836, 4135144, 6043672, 8270288, 9820967, 12087344, 16540576, 19641934, 24174688, 33081152, 39283868, 48349376, 78567736, 157135472, 314270944, 628541888]

約数ペア:

[(1, 628541888), (2, 314270944), (4, 157135472), (8, 78567736), (13, 48349376), (16, 39283868), (19, 33081152), (26, 24174688), (32, 19641934), (38, 16540576), (52, 12087344), (64, 9820967), (76, 8270288), (104, 6043672), (152, 4135144), (208, 3021836), (247, 2544704), (304, 2067572), (416, 1510918), (494, 1272352), (608, 1033786), (832, 755459), (988, 636176), (1216, 516893), (1976, 318088), (3952, 159044), (7904, 79522), (15808, 39761)]