1989488735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1\times {\mathrm{617}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 2603905920

約数和(自身を除く): 614417185

約数列:

[1, 5, 13, 65, 113, 439, 565, 617, 1469, 2195, 3085, 5707, 7345, 8021, 28535, 40105, 49607, 69721, 248035, 270863, 348605, 644891, 906373, 1354315, 3224455, 3521219, 4531865, 17606095, 30607519, 153037595, 397897747, 1989488735]

約数ペア:

[(1, 1989488735), (5, 397897747), (13, 153037595), (65, 30607519), (113, 17606095), (439, 4531865), (565, 3521219), (617, 3224455), (1469, 1354315), (2195, 906373), (3085, 644891), (5707, 348605), (7345, 270863), (8021, 248035), (28535, 69721), (40105, 49607)]