72691270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{997}}^1$

素因数の和:1344

約数の個数: 32

約数和(自身を含む): 137101248

約数和(自身を除く): 64409978

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 317, 634, 997, 1585, 1994, 3170, 4985, 7291, 9970, 14582, 22931, 36455, 45862, 72910, 114655, 229310, 316049, 632098, 1580245, 3160490, 7269127, 14538254, 36345635, 72691270]

約数ペア:

[(1, 72691270), (2, 36345635), (5, 14538254), (10, 7269127), (23, 3160490), (46, 1580245), (115, 632098), (230, 316049), (317, 229310), (634, 114655), (997, 72910), (1585, 45862), (1994, 36455), (3170, 22931), (4985, 14582), (7291, 9970)]