28359110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{227}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 57053808

約数和(自身を除く): 28694698

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 227, 310, 403, 454, 806, 961, 1135, 1922, 2015, 2270, 2951, 4030, 4805, 5902, 7037, 9610, 12493, 14074, 14755, 24986, 29510, 35185, 62465, 70370, 91481, 124930, 182962, 218147, 436294, 457405, 914810, 1090735, 2181470, 2835911, 5671822, 14179555, 28359110]

約数ペア:

[(1, 28359110), (2, 14179555), (5, 5671822), (10, 2835911), (13, 2181470), (26, 1090735), (31, 914810), (62, 457405), (65, 436294), (130, 218147), (155, 182962), (227, 124930), (310, 91481), (403, 70370), (454, 62465), (806, 35185), (961, 29510), (1135, 24986), (1922, 14755), (2015, 14074), (2270, 12493), (2951, 9610), (4030, 7037), (4805, 5902)]