212991116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{919}}^1\times {\mathrm{4457}}^1$

素因数の和:5393

約数の個数: 24

約数和(自身を含む): 401933280

約数和(自身を除く): 188942164

約数列:

[1, 2, 4, 13, 26, 52, 919, 1838, 3676, 4457, 8914, 11947, 17828, 23894, 47788, 57941, 115882, 231764, 4095983, 8191966, 16383932, 53247779, 106495558, 212991116]

約数ペア:

[(1, 212991116), (2, 106495558), (4, 53247779), (13, 16383932), (26, 8191966), (52, 4095983), (919, 231764), (1838, 115882), (3676, 57941), (4457, 47788), (8914, 23894), (11947, 17828)]