171420444

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{6911}}^1$

素因数の和:6987

約数の個数: 72

約数和(自身を含む): 475517952

約数和(自身を除く): 304097508

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 106, 117, 156, 159, 212, 234, 318, 468, 477, 636, 689, 954, 1378, 1908, 2067, 2756, 4134, 6201, 6911, 8268, 12402, 13822, 20733, 24804, 27644, 41466, 62199, 82932, 89843, 124398, 179686, 248796, 269529, 359372, 366283, 539058, 732566, 808587, 1078116, 1098849, 1465132, 1617174, 2197698, 3234348, 3296547, 4395396, 4761679, 6593094, 9523358, 13186188, 14285037, 19046716, 28570074, 42855111, 57140148, 85710222, 171420444]

約数ペア:

[(1, 171420444), (2, 85710222), (3, 57140148), (4, 42855111), (6, 28570074), (9, 19046716), (12, 14285037), (13, 13186188), (18, 9523358), (26, 6593094), (36, 4761679), (39, 4395396), (52, 3296547), (53, 3234348), (78, 2197698), (106, 1617174), (117, 1465132), (156, 1098849), (159, 1078116), (212, 808587), (234, 732566), (318, 539058), (468, 366283), (477, 359372), (636, 269529), (689, 248796), (954, 179686), (1378, 124398), (1908, 89843), (2067, 82932), (2756, 62199), (4134, 41466), (6201, 27644), (6911, 24804), (8268, 20733), (12402, 13822)]