173838340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{668609}}^1$

素因数の和:668631

約数の個数: 24

約数和(自身を含む): 393142680

約数和(自身を除く): 219304340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 668609, 1337218, 2674436, 3343045, 6686090, 8691917, 13372180, 17383834, 34767668, 43459585, 86919170, 173838340]

約数ペア:

[(1, 173838340), (2, 86919170), (4, 43459585), (5, 34767668), (10, 17383834), (13, 13372180), (20, 8691917), (26, 6686090), (52, 3343045), (65, 2674436), (130, 1337218), (260, 668609)]