9780781616

素因数分解:

$2^4\times {\mathrm{6091}}^1\times {\mathrm{100361}}^1$

素因数の和:106460

約数の個数: 20

約数和(自身を含む): 18953564424

約数和(自身を除く): 9172782808

約数列:

[1, 2, 4, 8, 16, 6091, 12182, 24364, 48728, 97456, 100361, 200722, 401444, 802888, 1605776, 611298851, 1222597702, 2445195404, 4890390808, 9780781616]

約数ペア:

[(1, 9780781616), (2, 4890390808), (4, 2445195404), (8, 1222597702), (16, 611298851), (6091, 1605776), (12182, 802888), (24364, 401444), (48728, 200722), (97456, 100361)]