444423889

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{641}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 578108160

約数和(自身を除く): 133684271

約数列:

[1, 7, 13, 19, 91, 133, 247, 401, 641, 1729, 2807, 4487, 5213, 7619, 8333, 12179, 36491, 53333, 58331, 85253, 99047, 158327, 257041, 693329, 1108289, 1799287, 3341533, 4883779, 23390731, 34186453, 63489127, 444423889]

約数ペア:

[(1, 444423889), (7, 63489127), (13, 34186453), (19, 23390731), (91, 4883779), (133, 3341533), (247, 1799287), (401, 1108289), (641, 693329), (1729, 257041), (2807, 158327), (4487, 99047), (5213, 85253), (7619, 58331), (8333, 53333), (12179, 36491)]