261266838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{6220639}}^1$

素因数の和:6220651

約数の個数: 16

約数和(自身を含む): 597181440

約数和(自身を除く): 335914602

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 6220639, 12441278, 18661917, 37323834, 43544473, 87088946, 130633419, 261266838]

約数ペア:

[(1, 261266838), (2, 130633419), (3, 87088946), (6, 43544473), (7, 37323834), (14, 18661917), (21, 12441278), (42, 6220639)]