221535124

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{509}}^1\times {\mathrm{2053}}^1$

素因数の和:2619

約数の個数: 24

約数和(自身を含む): 395970120

約数和(自身を除く): 174434996

約数列:

[1, 2, 4, 53, 106, 212, 509, 1018, 2036, 2053, 4106, 8212, 26977, 53954, 107908, 108809, 217618, 435236, 1044977, 2089954, 4179908, 55383781, 110767562, 221535124]

約数ペア:

[(1, 221535124), (2, 110767562), (4, 55383781), (53, 4179908), (106, 2089954), (212, 1044977), (509, 435236), (1018, 217618), (2036, 108809), (2053, 107908), (4106, 53954), (8212, 26977)]