690806996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1\times {\mathrm{557}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 1343164032

約数和(自身を除く): 652357036

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 397, 557, 781, 794, 1114, 1562, 1588, 2228, 3124, 4367, 6127, 8734, 12254, 17468, 24508, 28187, 39547, 56374, 79094, 112748, 158188, 221129, 310057, 435017, 442258, 620114, 870034, 884516, 1240228, 1740068, 2432419, 4864838, 9729676, 15700159, 31400318, 62800636, 172701749, 345403498, 690806996]

約数ペア:

[(1, 690806996), (2, 345403498), (4, 172701749), (11, 62800636), (22, 31400318), (44, 15700159), (71, 9729676), (142, 4864838), (284, 2432419), (397, 1740068), (557, 1240228), (781, 884516), (794, 870034), (1114, 620114), (1562, 442258), (1588, 435017), (2228, 310057), (3124, 221129), (4367, 158188), (6127, 112748), (8734, 79094), (12254, 56374), (17468, 39547), (24508, 28187)]