4251212

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 9166080

約数和(自身を除く): 4914868

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 61, 76, 122, 131, 133, 244, 262, 266, 427, 524, 532, 854, 917, 1159, 1708, 1834, 2318, 2489, 3668, 4636, 4978, 7991, 8113, 9956, 15982, 16226, 17423, 31964, 32452, 34846, 55937, 69692, 111874, 151829, 223748, 303658, 607316, 1062803, 2125606, 4251212]

約数ペア:

[(1, 4251212), (2, 2125606), (4, 1062803), (7, 607316), (14, 303658), (19, 223748), (28, 151829), (38, 111874), (61, 69692), (76, 55937), (122, 34846), (131, 32452), (133, 31964), (244, 17423), (262, 16226), (266, 15982), (427, 9956), (524, 8113), (532, 7991), (854, 4978), (917, 4636), (1159, 3668), (1708, 2489), (1834, 2318)]