40639543

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1367}}^1$

素因数の和:1542

約数の個数: 16

約数和(自身を含む): 48328704

約数和(自身を除く): 7689161

約数列:

[1, 7, 31, 137, 217, 959, 1367, 4247, 9569, 29729, 42377, 187279, 296639, 1310953, 5805649, 40639543]

約数ペア:

[(1, 40639543), (7, 5805649), (31, 1310953), (137, 296639), (217, 187279), (959, 42377), (1367, 29729), (4247, 9569)]