172473340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{663359}}^1$

素因数の和:663381

約数の個数: 24

約数和(自身を含む): 390055680

約数和(自身を除く): 217582340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 663359, 1326718, 2653436, 3316795, 6633590, 8623667, 13267180, 17247334, 34494668, 43118335, 86236670, 172473340]

約数ペア:

[(1, 172473340), (2, 86236670), (4, 43118335), (5, 34494668), (10, 17247334), (13, 13267180), (20, 8623667), (26, 6633590), (52, 3316795), (65, 2653436), (130, 1326718), (260, 663359)]