31289874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 80898048

約数和(自身を除く): 49608174

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 47, 66, 77, 94, 121, 131, 141, 154, 231, 242, 262, 282, 329, 363, 393, 462, 517, 658, 726, 786, 847, 917, 987, 1034, 1441, 1551, 1694, 1834, 1974, 2541, 2751, 2882, 3102, 3619, 4323, 5082, 5502, 5687, 6157, 7238, 8646, 10087, 10857, 11374, 12314, 15851, 17061, 18471, 20174, 21714, 30261, 31702, 34122, 36942, 39809, 43099, 47553, 60522, 67727, 79618, 86198, 95106, 110957, 119427, 129297, 135454, 203181, 221914, 238854, 258594, 332871, 406362, 474089, 665742, 744997, 948178, 1422267, 1489994, 2234991, 2844534, 4469982, 5214979, 10429958, 15644937, 31289874]

約数ペア:

[(1, 31289874), (2, 15644937), (3, 10429958), (6, 5214979), (7, 4469982), (11, 2844534), (14, 2234991), (21, 1489994), (22, 1422267), (33, 948178), (42, 744997), (47, 665742), (66, 474089), (77, 406362), (94, 332871), (121, 258594), (131, 238854), (141, 221914), (154, 203181), (231, 135454), (242, 129297), (262, 119427), (282, 110957), (329, 95106), (363, 86198), (393, 79618), (462, 67727), (517, 60522), (658, 47553), (726, 43099), (786, 39809), (847, 36942), (917, 34122), (987, 31702), (1034, 30261), (1441, 21714), (1551, 20174), (1694, 18471), (1834, 17061), (1974, 15851), (2541, 12314), (2751, 11374), (2882, 10857), (3102, 10087), (3619, 8646), (4323, 7238), (5082, 6157), (5502, 5687)]