7902830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:141

約数の個数: 64

約数和(自身を含む): 16547328

約数和(自身を除く): 8644498

約数列:

[1, 2, 5, 10, 13, 26, 31, 37, 53, 62, 65, 74, 106, 130, 155, 185, 265, 310, 370, 403, 481, 530, 689, 806, 962, 1147, 1378, 1643, 1961, 2015, 2294, 2405, 3286, 3445, 3922, 4030, 4810, 5735, 6890, 8215, 9805, 11470, 14911, 16430, 19610, 21359, 25493, 29822, 42718, 50986, 60791, 74555, 106795, 121582, 127465, 149110, 213590, 254930, 303955, 607910, 790283, 1580566, 3951415, 7902830]

約数ペア:

[(1, 7902830), (2, 3951415), (5, 1580566), (10, 790283), (13, 607910), (26, 303955), (31, 254930), (37, 213590), (53, 149110), (62, 127465), (65, 121582), (74, 106795), (106, 74555), (130, 60791), (155, 50986), (185, 42718), (265, 29822), (310, 25493), (370, 21359), (403, 19610), (481, 16430), (530, 14911), (689, 11470), (806, 9805), (962, 8215), (1147, 6890), (1378, 5735), (1643, 4810), (1961, 4030), (2015, 3922), (2294, 3445), (2405, 3286)]