87431407

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 109683200

約数和(自身を除く): 22251793

約数列:

[1, 7, 19, 37, 109, 133, 163, 259, 703, 763, 1141, 2071, 3097, 4033, 4921, 6031, 14497, 17767, 21679, 28231, 42217, 76627, 114589, 124369, 337573, 536389, 657379, 802123, 2363011, 4601653, 12490201, 87431407]

約数ペア:

[(1, 87431407), (7, 12490201), (19, 4601653), (37, 2363011), (109, 802123), (133, 657379), (163, 536389), (259, 337573), (703, 124369), (763, 114589), (1141, 76627), (2071, 42217), (3097, 28231), (4033, 21679), (4921, 17767), (6031, 14497)]