990144677662

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{16127}}^1\times {\mathrm{27239}}^1$

素因数の和:43405

約数の個数: 48

約数和(自身を含む): 1802996858880

約数和(自身を除く): 812852181218

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 16127, 27239, 32254, 54478, 112889, 190673, 225778, 370921, 381346, 626497, 741842, 790223, 1252994, 1334711, 1580446, 2596447, 2669422, 4385479, 5192894, 8770958, 18175129, 30698353, 36350258, 61396706, 439283353, 878566706, 3074983471, 6149966942, 10103517119, 20207034238, 21524884297, 43049768594, 70724619833, 141449239666, 495072338831, 990144677662]

約数ペア:

[(1, 990144677662), (2, 495072338831), (7, 141449239666), (14, 70724619833), (23, 43049768594), (46, 21524884297), (49, 20207034238), (98, 10103517119), (161, 6149966942), (322, 3074983471), (1127, 878566706), (2254, 439283353), (16127, 61396706), (27239, 36350258), (32254, 30698353), (54478, 18175129), (112889, 8770958), (190673, 5192894), (225778, 4385479), (370921, 2669422), (381346, 2596447), (626497, 1580446), (741842, 1334711), (790223, 1252994)]