64987190

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6571}}^1$

素因数の和:6644

約数の個数: 32

約数和(自身を含む): 124920576

約数和(自身を除く): 59933386

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 6571, 9890, 13142, 32855, 65710, 151133, 282553, 302266, 565106, 755665, 1412765, 1511330, 2825530, 6498719, 12997438, 32493595, 64987190]

約数ペア:

[(1, 64987190), (2, 32493595), (5, 12997438), (10, 6498719), (23, 2825530), (43, 1511330), (46, 1412765), (86, 755665), (115, 565106), (215, 302266), (230, 282553), (430, 151133), (989, 65710), (1978, 32855), (4945, 13142), (6571, 9890)]