31486370

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 58496256

約数和(自身を除く): 27009886

約数列:

[1, 2, 5, 10, 61, 71, 122, 142, 305, 355, 610, 710, 727, 1454, 3635, 4331, 7270, 8662, 21655, 43310, 44347, 51617, 88694, 103234, 221735, 258085, 443470, 516170, 3148637, 6297274, 15743185, 31486370]

約数ペア:

[(1, 31486370), (2, 15743185), (5, 6297274), (10, 3148637), (61, 516170), (71, 443470), (122, 258085), (142, 221735), (305, 103234), (355, 88694), (610, 51617), (710, 44347), (727, 43310), (1454, 21655), (3635, 8662), (4331, 7270)]