128533768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{811}}^1\times {\mathrm{1801}}^1$

素因数の和:2629

約数の個数: 32

約数和(自身を含む): 263380320

約数和(自身を除く): 134846552

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 811, 1622, 1801, 3244, 3602, 6488, 7204, 8921, 14408, 17842, 19811, 35684, 39622, 71368, 79244, 158488, 1460611, 2921222, 5842444, 11684888, 16066721, 32133442, 64266884, 128533768]

約数ペア:

[(1, 128533768), (2, 64266884), (4, 32133442), (8, 16066721), (11, 11684888), (22, 5842444), (44, 2921222), (88, 1460611), (811, 158488), (1622, 79244), (1801, 71368), (3244, 39622), (3602, 35684), (6488, 19811), (7204, 17842), (8921, 14408)]