219720904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{3793}}^1$

素因数の和:4369

約数の個数: 32

約数和(自身を含む): 444580920

約数和(自身を除く): 224860016

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 557, 1114, 2228, 3793, 4456, 7241, 7586, 14482, 15172, 28964, 30344, 49309, 57928, 98618, 197236, 394472, 2112701, 4225402, 8450804, 16901608, 27465113, 54930226, 109860452, 219720904]

約数ペア:

[(1, 219720904), (2, 109860452), (4, 54930226), (8, 27465113), (13, 16901608), (26, 8450804), (52, 4225402), (104, 2112701), (557, 394472), (1114, 197236), (2228, 98618), (3793, 57928), (4456, 49309), (7241, 30344), (7586, 28964), (14482, 15172)]