28528918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 49610880

約数和(自身を除く): 21081962

約数列:

[1, 2, 11, 19, 22, 38, 131, 209, 262, 418, 521, 1042, 1441, 2489, 2882, 4978, 5731, 9899, 11462, 19798, 27379, 54758, 68251, 108889, 136502, 217778, 750761, 1296769, 1501522, 2593538, 14264459, 28528918]

約数ペア:

[(1, 28528918), (2, 14264459), (11, 2593538), (19, 1501522), (22, 1296769), (38, 750761), (131, 217778), (209, 136502), (262, 108889), (418, 68251), (521, 54758), (1042, 27379), (1441, 19798), (2489, 11462), (2882, 9899), (4978, 5731)]