127279490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{31583}}^1$

素因数の和:31634

約数の個数: 32

約数和(自身を含む): 254693376

約数和(自身を除く): 127413886

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 31583, 63166, 157915, 315830, 410579, 821158, 979073, 1958146, 2052895, 4105790, 4895365, 9790730, 12727949, 25455898, 63639745, 127279490]

約数ペア:

[(1, 127279490), (2, 63639745), (5, 25455898), (10, 12727949), (13, 9790730), (26, 4895365), (31, 4105790), (62, 2052895), (65, 1958146), (130, 979073), (155, 821158), (310, 410579), (403, 315830), (806, 157915), (2015, 63166), (4030, 31583)]