7321475

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 11570688

約数和(自身を除く): 4249213

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 107, 115, 119, 161, 175, 391, 425, 535, 575, 595, 749, 805, 1819, 1955, 2461, 2675, 2737, 2975, 3745, 4025, 9095, 9775, 12305, 12733, 13685, 17227, 18725, 41837, 45475, 61525, 63665, 68425, 86135, 209185, 292859, 318325, 430675, 1045925, 1464295, 7321475]

約数ペア:

[(1, 7321475), (5, 1464295), (7, 1045925), (17, 430675), (23, 318325), (25, 292859), (35, 209185), (85, 86135), (107, 68425), (115, 63665), (119, 61525), (161, 45475), (175, 41837), (391, 18725), (425, 17227), (535, 13685), (575, 12733), (595, 12305), (749, 9775), (805, 9095), (1819, 4025), (1955, 3745), (2461, 2975), (2675, 2737)]