1283005724

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{320431}}^1$

素因数の和:320466

約数の個数: 48

約数和(自身を含む): 3014624256

約数和(自身を除く): 1731618532

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 320431, 640862, 1281724, 2243017, 3524741, 4165603, 4486034, 7049482, 8331206, 8972068, 14098964, 16662412, 24673187, 29159221, 45821633, 49346374, 58318442, 91643266, 98692748, 116636884, 183286532, 320751431, 641502862, 1283005724]

約数ペア:

[(1, 1283005724), (2, 641502862), (4, 320751431), (7, 183286532), (11, 116636884), (13, 98692748), (14, 91643266), (22, 58318442), (26, 49346374), (28, 45821633), (44, 29159221), (52, 24673187), (77, 16662412), (91, 14098964), (143, 8972068), (154, 8331206), (182, 7049482), (286, 4486034), (308, 4165603), (364, 3524741), (572, 2243017), (1001, 1281724), (2002, 640862), (4004, 320431)]