12811990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1117}}^1$

素因数の和:1192

約数の個数: 32

約数和(自身を含む): 24470784

約数和(自身を除く): 11658794

約数列:

[1, 2, 5, 10, 31, 37, 62, 74, 155, 185, 310, 370, 1117, 1147, 2234, 2294, 5585, 5735, 11170, 11470, 34627, 41329, 69254, 82658, 173135, 206645, 346270, 413290, 1281199, 2562398, 6405995, 12811990]

約数ペア:

[(1, 12811990), (2, 6405995), (5, 2562398), (10, 1281199), (31, 413290), (37, 346270), (62, 206645), (74, 173135), (155, 82658), (185, 69254), (310, 41329), (370, 34627), (1117, 11470), (1147, 11170), (2234, 5735), (2294, 5585)]