84860890

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{61051}}^1$

素因数の和:61197

約数の個数: 16

約数和(自身を含む): 153851040

約数和(自身を除く): 68990150

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 61051, 122102, 305255, 610510, 8486089, 16972178, 42430445, 84860890]

約数ペア:

[(1, 84860890), (2, 42430445), (5, 16972178), (10, 8486089), (139, 610510), (278, 305255), (695, 122102), (1390, 61051)]