209003104148

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{180798533}}^1$

素因数の和:180798571

約数の個数: 18

約数和(自身を含む): 388536049566

約数和(自身を除く): 179532945418

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 180798533, 361597066, 723194132, 3073575061, 6147150122, 12294300244, 52250776037, 104501552074, 209003104148]

約数ペア:

[(1, 209003104148), (2, 104501552074), (4, 52250776037), (17, 12294300244), (34, 6147150122), (68, 3073575061), (289, 723194132), (578, 361597066), (1156, 180798533)]