81630472

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1721}}^1$

素因数の和:1763

約数の個数: 72

約数和(自身を含む): 195817230

約数和(自身を除く): 114186758

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 121, 154, 196, 242, 308, 392, 484, 539, 616, 847, 968, 1078, 1694, 1721, 2156, 3388, 3442, 4312, 5929, 6776, 6884, 11858, 12047, 13768, 18931, 23716, 24094, 37862, 47432, 48188, 75724, 84329, 96376, 132517, 151448, 168658, 208241, 265034, 337316, 416482, 530068, 674632, 832964, 927619, 1060136, 1457687, 1665928, 1855238, 2915374, 3710476, 5830748, 7420952, 10203809, 11661496, 20407618, 40815236, 81630472]

約数ペア:

[(1, 81630472), (2, 40815236), (4, 20407618), (7, 11661496), (8, 10203809), (11, 7420952), (14, 5830748), (22, 3710476), (28, 2915374), (44, 1855238), (49, 1665928), (56, 1457687), (77, 1060136), (88, 927619), (98, 832964), (121, 674632), (154, 530068), (196, 416482), (242, 337316), (308, 265034), (392, 208241), (484, 168658), (539, 151448), (616, 132517), (847, 96376), (968, 84329), (1078, 75724), (1694, 48188), (1721, 47432), (2156, 37862), (3388, 24094), (3442, 23716), (4312, 18931), (5929, 13768), (6776, 12047), (6884, 11858)]