86438401

素因数分解:

$7^5\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 104314560

約数和(自身を除く): 17876159

約数列:

[1, 7, 37, 49, 139, 259, 343, 973, 1813, 2401, 5143, 6811, 12691, 16807, 36001, 47677, 88837, 252007, 333739, 621859, 1764049, 2336173, 12348343, 86438401]

約数ペア:

[(1, 86438401), (7, 12348343), (37, 2336173), (49, 1764049), (139, 621859), (259, 333739), (343, 252007), (973, 88837), (1813, 47677), (2401, 36001), (5143, 16807), (6811, 12691)]