16998588

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 44844800

約数和(自身を除く): 27846212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 79, 86, 129, 139, 158, 172, 237, 258, 278, 316, 387, 417, 474, 516, 556, 711, 774, 834, 948, 1251, 1422, 1548, 1668, 2502, 2844, 3397, 5004, 5977, 6794, 10191, 10981, 11954, 13588, 17931, 20382, 21962, 23908, 30573, 32943, 35862, 40764, 43924, 53793, 61146, 65886, 71724, 98829, 107586, 122292, 131772, 197658, 215172, 395316, 472183, 944366, 1416549, 1888732, 2833098, 4249647, 5666196, 8499294, 16998588]

約数ペア:

[(1, 16998588), (2, 8499294), (3, 5666196), (4, 4249647), (6, 2833098), (9, 1888732), (12, 1416549), (18, 944366), (36, 472183), (43, 395316), (79, 215172), (86, 197658), (129, 131772), (139, 122292), (158, 107586), (172, 98829), (237, 71724), (258, 65886), (278, 61146), (316, 53793), (387, 43924), (417, 40764), (474, 35862), (516, 32943), (556, 30573), (711, 23908), (774, 21962), (834, 20382), (948, 17931), (1251, 13588), (1422, 11954), (1548, 10981), (1668, 10191), (2502, 6794), (2844, 5977), (3397, 5004)]