207815890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{2267}}^1$

素因数の和:2466

約数の個数: 32

約数和(自身を含む): 382112640

約数和(自身を除く): 174296750

約数列:

[1, 2, 5, 10, 89, 103, 178, 206, 445, 515, 890, 1030, 2267, 4534, 9167, 11335, 18334, 22670, 45835, 91670, 201763, 233501, 403526, 467002, 1008815, 1167505, 2017630, 2335010, 20781589, 41563178, 103907945, 207815890]

約数ペア:

[(1, 207815890), (2, 103907945), (5, 41563178), (10, 20781589), (89, 2335010), (103, 2017630), (178, 1167505), (206, 1008815), (445, 467002), (515, 403526), (890, 233501), (1030, 201763), (2267, 91670), (4534, 45835), (9167, 22670), (11335, 18334)]