1397732728

素因数分解:

$2^3\times 7^1\times {\mathrm{1597}}^1\times {\mathrm{15629}}^1$

素因数の和:17239

約数の個数: 32

約数和(自身を含む): 2997208800

約数和(自身を除く): 1599476072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1597, 3194, 6388, 11179, 12776, 15629, 22358, 31258, 44716, 62516, 89432, 109403, 125032, 218806, 437612, 875224, 24959513, 49919026, 99838052, 174716591, 199676104, 349433182, 698866364, 1397732728]

約数ペア:

[(1, 1397732728), (2, 698866364), (4, 349433182), (7, 199676104), (8, 174716591), (14, 99838052), (28, 49919026), (56, 24959513), (1597, 875224), (3194, 437612), (6388, 218806), (11179, 125032), (12776, 109403), (15629, 89432), (22358, 62516), (31258, 44716)]