1388985004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{743}}^1\times {\mathrm{42487}}^1$

素因数の和:43245

約数の個数: 24

約数和(自身を含む): 2655330048

約数和(自身を除く): 1266345044

約数列:

[1, 2, 4, 11, 22, 44, 743, 1486, 2972, 8173, 16346, 32692, 42487, 84974, 169948, 467357, 934714, 1869428, 31567841, 63135682, 126271364, 347246251, 694492502, 1388985004]

約数ペア:

[(1, 1388985004), (2, 694492502), (4, 347246251), (11, 126271364), (22, 63135682), (44, 31567841), (743, 1869428), (1486, 934714), (2972, 467357), (8173, 169948), (16346, 84974), (32692, 42487)]