31540278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{293}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 79252992

約数和(自身を除く): 47712714

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 233, 293, 462, 466, 586, 699, 879, 1398, 1631, 1758, 2051, 2563, 3223, 3262, 4102, 4893, 5126, 6153, 6446, 7689, 9669, 9786, 12306, 15378, 17941, 19338, 22561, 35882, 45122, 53823, 67683, 68269, 107646, 135366, 136538, 204807, 409614, 477883, 750959, 955766, 1433649, 1501918, 2252877, 2867298, 4505754, 5256713, 10513426, 15770139, 31540278]

約数ペア:

[(1, 31540278), (2, 15770139), (3, 10513426), (6, 5256713), (7, 4505754), (11, 2867298), (14, 2252877), (21, 1501918), (22, 1433649), (33, 955766), (42, 750959), (66, 477883), (77, 409614), (154, 204807), (231, 136538), (233, 135366), (293, 107646), (462, 68269), (466, 67683), (586, 53823), (699, 45122), (879, 35882), (1398, 22561), (1631, 19338), (1758, 17941), (2051, 15378), (2563, 12306), (3223, 9786), (3262, 9669), (4102, 7689), (4893, 6446), (5126, 6153)]