28711122

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 64120896

約数和(自身を除く): 35409774

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 121, 142, 213, 242, 363, 426, 557, 726, 781, 1114, 1562, 1671, 2343, 3342, 4686, 6127, 8591, 12254, 17182, 18381, 25773, 36762, 39547, 51546, 67397, 79094, 118641, 134794, 202191, 237282, 404382, 435017, 870034, 1305051, 2610102, 4785187, 9570374, 14355561, 28711122]

約数ペア:

[(1, 28711122), (2, 14355561), (3, 9570374), (6, 4785187), (11, 2610102), (22, 1305051), (33, 870034), (66, 435017), (71, 404382), (121, 237282), (142, 202191), (213, 134794), (242, 118641), (363, 79094), (426, 67397), (557, 51546), (726, 39547), (781, 36762), (1114, 25773), (1562, 18381), (1671, 17182), (2343, 12254), (3342, 8591), (4686, 6127)]