7287868

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 54

約数和(自身を含む): 15809976

約数和(自身を除く): 8522108

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 103, 133, 196, 206, 266, 361, 412, 532, 721, 722, 931, 1442, 1444, 1862, 1957, 2527, 2884, 3724, 3914, 5047, 5054, 7828, 10094, 10108, 13699, 17689, 20188, 27398, 35378, 37183, 54796, 70756, 74366, 95893, 148732, 191786, 260281, 383572, 520562, 1041124, 1821967, 3643934, 7287868]

約数ペア:

[(1, 7287868), (2, 3643934), (4, 1821967), (7, 1041124), (14, 520562), (19, 383572), (28, 260281), (38, 191786), (49, 148732), (76, 95893), (98, 74366), (103, 70756), (133, 54796), (196, 37183), (206, 35378), (266, 27398), (361, 20188), (412, 17689), (532, 13699), (721, 10108), (722, 10094), (931, 7828), (1442, 5054), (1444, 5047), (1862, 3914), (1957, 3724), (2527, 2884)]