31217494

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 63037440

約数和(自身を除く): 31819946

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 47, 77, 94, 133, 154, 209, 227, 266, 329, 418, 454, 517, 658, 893, 1034, 1463, 1589, 1786, 2497, 2926, 3178, 3619, 4313, 4994, 6251, 7238, 8626, 9823, 10669, 12502, 17479, 19646, 21338, 30191, 34958, 47443, 60382, 68761, 74683, 94886, 117359, 137522, 149366, 202711, 234718, 332101, 405422, 664202, 821513, 1418977, 1643026, 2229821, 2837954, 4459642, 15608747, 31217494]

約数ペア:

[(1, 31217494), (2, 15608747), (7, 4459642), (11, 2837954), (14, 2229821), (19, 1643026), (22, 1418977), (38, 821513), (47, 664202), (77, 405422), (94, 332101), (133, 234718), (154, 202711), (209, 149366), (227, 137522), (266, 117359), (329, 94886), (418, 74683), (454, 68761), (517, 60382), (658, 47443), (893, 34958), (1034, 30191), (1463, 21338), (1589, 19646), (1786, 17479), (2497, 12502), (2926, 10669), (3178, 9823), (3619, 8626), (4313, 7238), (4994, 6251)]