721518028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{80779}}^1$

素因数の和:80830

約数の個数: 48

約数和(自身を含む): 1628524800

約数和(自身を除く): 907006772

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 58, 77, 116, 154, 203, 308, 319, 406, 638, 812, 1276, 2233, 4466, 8932, 80779, 161558, 323116, 565453, 888569, 1130906, 1777138, 2261812, 2342591, 3554276, 4685182, 6219983, 9370364, 12439966, 16398137, 24879932, 25768501, 32796274, 51537002, 65592548, 103074004, 180379507, 360759014, 721518028]

約数ペア:

[(1, 721518028), (2, 360759014), (4, 180379507), (7, 103074004), (11, 65592548), (14, 51537002), (22, 32796274), (28, 25768501), (29, 24879932), (44, 16398137), (58, 12439966), (77, 9370364), (116, 6219983), (154, 4685182), (203, 3554276), (308, 2342591), (319, 2261812), (406, 1777138), (638, 1130906), (812, 888569), (1276, 565453), (2233, 323116), (4466, 161558), (8932, 80779)]