31685212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 64223712

約数和(自身を除く): 32538500

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 73, 146, 221, 292, 442, 491, 884, 949, 982, 1241, 1898, 1964, 2482, 3796, 4964, 6383, 8347, 12766, 16133, 16694, 25532, 32266, 33388, 35843, 64532, 71686, 108511, 143372, 217022, 434044, 465959, 609331, 931918, 1218662, 1863836, 2437324, 7921303, 15842606, 31685212]

約数ペア:

[(1, 31685212), (2, 15842606), (4, 7921303), (13, 2437324), (17, 1863836), (26, 1218662), (34, 931918), (52, 609331), (68, 465959), (73, 434044), (146, 217022), (221, 143372), (292, 108511), (442, 71686), (491, 64532), (884, 35843), (949, 33388), (982, 32266), (1241, 25532), (1898, 16694), (1964, 16133), (2482, 12766), (3796, 8347), (4964, 6383)]