127900996

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{110641}}^1$

素因数の和:110679

約数の個数: 18

約数和(自身を含む): 237769658

約数和(自身を除く): 109868662

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 110641, 221282, 442564, 1880897, 3761794, 7523588, 31975249, 63950498, 127900996]

約数ペア:

[(1, 127900996), (2, 63950498), (4, 31975249), (17, 7523588), (34, 3761794), (68, 1880897), (289, 442564), (578, 221282), (1156, 110641)]