156977639

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 204986880

約数和(自身を除く): 48009241

約数列:

[1, 7, 13, 19, 91, 133, 163, 247, 557, 1141, 1729, 2119, 3097, 3899, 7241, 10583, 14833, 21679, 40261, 50687, 74081, 90791, 137579, 281827, 635537, 963053, 1180283, 1725029, 8261981, 12075203, 22425377, 156977639]

約数ペア:

[(1, 156977639), (7, 22425377), (13, 12075203), (19, 8261981), (91, 1725029), (133, 1180283), (163, 963053), (247, 635537), (557, 281827), (1141, 137579), (1729, 90791), (2119, 74081), (3097, 50687), (3899, 40261), (7241, 21679), (10583, 14833)]