72219472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{347209}}^1$

素因数の和:347230

約数の個数: 20

約数和(自身を含む): 150689140

約数和(自身を除く): 78469668

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 347209, 694418, 1388836, 2777672, 4513717, 5555344, 9027434, 18054868, 36109736, 72219472]

約数ペア:

[(1, 72219472), (2, 36109736), (4, 18054868), (8, 9027434), (13, 5555344), (16, 4513717), (26, 2777672), (52, 1388836), (104, 694418), (208, 347209)]