221500526

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{9781}}^1$

素因数の和:9876

約数の個数: 24

約数和(自身を含む): 365181624

約数和(自身を除く): 143681098

約数列:

[1, 2, 13, 26, 67, 134, 169, 338, 871, 1742, 9781, 11323, 19562, 22646, 127153, 254306, 655327, 1310654, 1652989, 3305978, 8519251, 17038502, 110750263, 221500526]

約数ペア:

[(1, 221500526), (2, 110750263), (13, 17038502), (26, 8519251), (67, 3305978), (134, 1652989), (169, 1310654), (338, 655327), (871, 254306), (1742, 127153), (9781, 22646), (11323, 19562)]