25802679

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 14839881

約数列:

[1, 3, 7, 21, 53, 97, 159, 239, 291, 371, 679, 717, 1113, 1673, 2037, 5019, 5141, 12667, 15423, 23183, 35987, 38001, 69549, 88669, 107961, 162281, 266007, 486843, 1228699, 3686097, 8600893, 25802679]

約数ペア:

[(1, 25802679), (3, 8600893), (7, 3686097), (21, 1228699), (53, 486843), (97, 266007), (159, 162281), (239, 107961), (291, 88669), (371, 69549), (679, 38001), (717, 35987), (1113, 23183), (1673, 15423), (2037, 12667), (5019, 5141)]