211560830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{22921}}^1$

素因数の和:23012

約数の個数: 32

約数和(自身を含む): 415896768

約数和(自身を除く): 204335938

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 22921, 45842, 114605, 229210, 297973, 595946, 1489865, 1627391, 2979730, 3254782, 8136955, 16273910, 21156083, 42312166, 105780415, 211560830]

約数ペア:

[(1, 211560830), (2, 105780415), (5, 42312166), (10, 21156083), (13, 16273910), (26, 8136955), (65, 3254782), (71, 2979730), (130, 1627391), (142, 1489865), (355, 595946), (710, 297973), (923, 229210), (1846, 114605), (4615, 45842), (9230, 22921)]