1885976785

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{223}}^1\times {\mathrm{1997}}^1$

素因数の和:2254

約数の個数: 48

約数和(自身を含む): 2857171968

約数和(自身を除く): 971195183

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 223, 385, 605, 847, 1115, 1561, 1997, 2453, 4235, 7805, 9985, 12265, 13979, 17171, 21967, 26983, 69895, 85855, 109835, 134915, 153769, 188881, 241637, 445331, 768845, 944405, 1208185, 1691459, 2226655, 3117317, 4898641, 8457295, 15586585, 24493205, 34290487, 53885051, 171452435, 269425255, 377195357, 1885976785]

約数ペア:

[(1, 1885976785), (5, 377195357), (7, 269425255), (11, 171452435), (35, 53885051), (55, 34290487), (77, 24493205), (121, 15586585), (223, 8457295), (385, 4898641), (605, 3117317), (847, 2226655), (1115, 1691459), (1561, 1208185), (1997, 944405), (2453, 768845), (4235, 445331), (7805, 241637), (9985, 188881), (12265, 153769), (13979, 134915), (17171, 109835), (21967, 85855), (26983, 69895)]