42185215

素因数分解:

$5^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:630

約数の個数: 16

約数和(自身を含む): 51388416

約数和(自身を除く): 9203201

約数列:

[1, 5, 163, 191, 271, 815, 955, 1355, 31133, 44173, 51761, 155665, 220865, 258805, 8437043, 42185215]

約数ペア:

[(1, 42185215), (5, 8437043), (163, 258805), (191, 220865), (271, 155665), (815, 51761), (955, 44173), (1355, 31133)]