890454815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1\times {\mathrm{379}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 1148463360

約数和(自身を除く): 258008545

約数列:

[1, 5, 17, 85, 131, 211, 379, 655, 1055, 1895, 2227, 3587, 6443, 11135, 17935, 27641, 32215, 49649, 79969, 138205, 248245, 399845, 469897, 844033, 1359473, 2349485, 4220165, 6797365, 10475939, 52379695, 178090963, 890454815]

約数ペア:

[(1, 890454815), (5, 178090963), (17, 52379695), (85, 10475939), (131, 6797365), (211, 4220165), (379, 2349485), (655, 1359473), (1055, 844033), (1895, 469897), (2227, 399845), (3587, 248245), (6443, 138205), (11135, 79969), (17935, 49649), (27641, 32215)]