728426881

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{3229}}^1$

素因数の和:3353

約数の個数: 32

約数和(自身を含む): 934787840

約数和(自身を除く): 206360959

約数列:

[1, 7, 13, 37, 67, 91, 259, 469, 481, 871, 2479, 3229, 3367, 6097, 17353, 22603, 32227, 41977, 119473, 216343, 225589, 293839, 836311, 1514401, 1553149, 2812459, 8004691, 10872043, 19687213, 56032837, 104060983, 728426881]

約数ペア:

[(1, 728426881), (7, 104060983), (13, 56032837), (37, 19687213), (67, 10872043), (91, 8004691), (259, 2812459), (469, 1553149), (481, 1514401), (871, 836311), (2479, 293839), (3229, 225589), (3367, 216343), (6097, 119473), (17353, 41977), (22603, 32227)]