212375890

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{162119}}^1$

素因数の和:162257

約数の個数: 16

約数和(自身を含む): 385197120

約数和(自身を除く): 172821230

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 162119, 324238, 810595, 1621190, 21237589, 42475178, 106187945, 212375890]

約数ペア:

[(1, 212375890), (2, 106187945), (5, 42475178), (10, 21237589), (131, 1621190), (262, 810595), (655, 324238), (1310, 162119)]