201550895

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 320495616

約数和(自身を除く): 118944721

約数列:

[1, 5, 7, 13, 17, 35, 65, 71, 85, 91, 119, 221, 355, 367, 455, 497, 595, 923, 1105, 1207, 1547, 1835, 2485, 2569, 4615, 4771, 6035, 6239, 6461, 7735, 8449, 12845, 15691, 23855, 26057, 31195, 32305, 33397, 42245, 43673, 78455, 81107, 109837, 130285, 166985, 182399, 218365, 338741, 405535, 442969, 549185, 567749, 911995, 1693705, 2214845, 2371187, 2838745, 3100783, 5758597, 11855935, 15503915, 28792985, 40310179, 201550895]

約数ペア:

[(1, 201550895), (5, 40310179), (7, 28792985), (13, 15503915), (17, 11855935), (35, 5758597), (65, 3100783), (71, 2838745), (85, 2371187), (91, 2214845), (119, 1693705), (221, 911995), (355, 567749), (367, 549185), (455, 442969), (497, 405535), (595, 338741), (923, 218365), (1105, 182399), (1207, 166985), (1547, 130285), (1835, 109837), (2485, 81107), (2569, 78455), (4615, 43673), (4771, 42245), (6035, 33397), (6239, 32305), (6461, 31195), (7735, 26057), (8449, 23855), (12845, 15691)]