81412812

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2383}}^1$

素因数の和:2479

約数の個数: 72

約数和(自身を含む): 224753984

約数和(自身を除く): 143341172

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 73, 78, 117, 146, 156, 219, 234, 292, 438, 468, 657, 876, 949, 1314, 1898, 2383, 2628, 2847, 3796, 4766, 5694, 7149, 8541, 9532, 11388, 14298, 17082, 21447, 28596, 30979, 34164, 42894, 61958, 85788, 92937, 123916, 173959, 185874, 278811, 347918, 371748, 521877, 557622, 695836, 1043754, 1115244, 1565631, 2087508, 2261467, 3131262, 4522934, 6262524, 6784401, 9045868, 13568802, 20353203, 27137604, 40706406, 81412812]

約数ペア:

[(1, 81412812), (2, 40706406), (3, 27137604), (4, 20353203), (6, 13568802), (9, 9045868), (12, 6784401), (13, 6262524), (18, 4522934), (26, 3131262), (36, 2261467), (39, 2087508), (52, 1565631), (73, 1115244), (78, 1043754), (117, 695836), (146, 557622), (156, 521877), (219, 371748), (234, 347918), (292, 278811), (438, 185874), (468, 173959), (657, 123916), (876, 92937), (949, 85788), (1314, 61958), (1898, 42894), (2383, 34164), (2628, 30979), (2847, 28596), (3796, 21447), (4766, 17082), (5694, 14298), (7149, 11388), (8541, 9532)]