31465938

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 79453440

約数和(自身を除く): 47987502

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 43, 49, 57, 86, 98, 114, 129, 131, 133, 147, 258, 262, 266, 294, 301, 393, 399, 602, 786, 798, 817, 903, 917, 931, 1634, 1806, 1834, 1862, 2107, 2451, 2489, 2751, 2793, 4214, 4902, 4978, 5502, 5586, 5633, 5719, 6321, 6419, 7467, 11266, 11438, 12642, 12838, 14934, 16899, 17157, 17423, 19257, 33798, 34314, 34846, 38514, 39431, 40033, 52269, 78862, 80066, 104538, 107027, 118293, 120099, 121961, 214054, 236586, 240198, 243922, 276017, 321081, 365883, 552034, 642162, 731766, 749189, 828051, 1498378, 1656102, 2247567, 4495134, 5244323, 10488646, 15732969, 31465938]

約数ペア:

[(1, 31465938), (2, 15732969), (3, 10488646), (6, 5244323), (7, 4495134), (14, 2247567), (19, 1656102), (21, 1498378), (38, 828051), (42, 749189), (43, 731766), (49, 642162), (57, 552034), (86, 365883), (98, 321081), (114, 276017), (129, 243922), (131, 240198), (133, 236586), (147, 214054), (258, 121961), (262, 120099), (266, 118293), (294, 107027), (301, 104538), (393, 80066), (399, 78862), (602, 52269), (786, 40033), (798, 39431), (817, 38514), (903, 34846), (917, 34314), (931, 33798), (1634, 19257), (1806, 17423), (1834, 17157), (1862, 16899), (2107, 14934), (2451, 12838), (2489, 12642), (2751, 11438), (2793, 11266), (4214, 7467), (4902, 6419), (4978, 6321), (5502, 5719), (5586, 5633)]