31937390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 62731152

約数和(自身を除く): 30793762

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 257, 289, 430, 514, 578, 731, 1285, 1445, 1462, 2570, 2890, 3655, 4369, 7310, 8738, 11051, 12427, 21845, 22102, 24854, 43690, 55255, 62135, 74273, 110510, 124270, 148546, 187867, 371365, 375734, 742730, 939335, 1878670, 3193739, 6387478, 15968695, 31937390]

約数ペア:

[(1, 31937390), (2, 15968695), (5, 6387478), (10, 3193739), (17, 1878670), (34, 939335), (43, 742730), (85, 375734), (86, 371365), (170, 187867), (215, 148546), (257, 124270), (289, 110510), (430, 74273), (514, 62135), (578, 55255), (731, 43690), (1285, 24854), (1445, 22102), (1462, 21845), (2570, 12427), (2890, 11051), (3655, 8738), (4369, 7310)]