12781112

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{619}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 25110000

約数和(自身を除く): 12328888

約数列:

[1, 2, 4, 8, 29, 58, 89, 116, 178, 232, 356, 619, 712, 1238, 2476, 2581, 4952, 5162, 10324, 17951, 20648, 35902, 55091, 71804, 110182, 143608, 220364, 440728, 1597639, 3195278, 6390556, 12781112]

約数ペア:

[(1, 12781112), (2, 6390556), (4, 3195278), (8, 1597639), (29, 440728), (58, 220364), (89, 143608), (116, 110182), (178, 71804), (232, 55091), (356, 35902), (619, 20648), (712, 17951), (1238, 10324), (2476, 5162), (2581, 4952)]