826207180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1\times {\mathrm{2393}}^1$

素因数の和:2746

約数の個数: 48

約数和(自身を含む): 1770449184

約数和(自身を除く): 944242004

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 283, 305, 566, 610, 1132, 1220, 1415, 2393, 2830, 4786, 5660, 9572, 11965, 17263, 23930, 34526, 47860, 69052, 86315, 145973, 172630, 291946, 345260, 583892, 677219, 729865, 1354438, 1459730, 2708876, 2919460, 3386095, 6772190, 13544380, 41310359, 82620718, 165241436, 206551795, 413103590, 826207180]

約数ペア:

[(1, 826207180), (2, 413103590), (4, 206551795), (5, 165241436), (10, 82620718), (20, 41310359), (61, 13544380), (122, 6772190), (244, 3386095), (283, 2919460), (305, 2708876), (566, 1459730), (610, 1354438), (1132, 729865), (1220, 677219), (1415, 583892), (2393, 345260), (2830, 291946), (4786, 172630), (5660, 145973), (9572, 86315), (11965, 69052), (17263, 47860), (23930, 34526)]