68005188

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 177585408

約数和(自身を除く): 109580220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 197, 223, 258, 387, 394, 446, 516, 591, 669, 774, 788, 892, 1182, 1338, 1548, 1773, 2007, 2364, 2676, 3546, 4014, 7092, 8028, 8471, 9589, 16942, 19178, 25413, 28767, 33884, 38356, 43931, 50826, 57534, 76239, 86301, 87862, 101652, 115068, 131793, 152478, 172602, 175724, 263586, 304956, 345204, 395379, 527172, 790758, 1581516, 1889033, 3778066, 5667099, 7556132, 11334198, 17001297, 22668396, 34002594, 68005188]

約数ペア:

[(1, 68005188), (2, 34002594), (3, 22668396), (4, 17001297), (6, 11334198), (9, 7556132), (12, 5667099), (18, 3778066), (36, 1889033), (43, 1581516), (86, 790758), (129, 527172), (172, 395379), (197, 345204), (223, 304956), (258, 263586), (387, 175724), (394, 172602), (446, 152478), (516, 131793), (591, 115068), (669, 101652), (774, 87862), (788, 86301), (892, 76239), (1182, 57534), (1338, 50826), (1548, 43931), (1773, 38356), (2007, 33884), (2364, 28767), (2676, 25413), (3546, 19178), (4014, 16942), (7092, 9589), (8028, 8471)]