31561062

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 71124480

約数和(自身を除く): 39563418

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 71, 78, 82, 123, 139, 142, 213, 246, 278, 417, 426, 533, 834, 923, 1066, 1599, 1807, 1846, 2769, 2911, 3198, 3614, 5421, 5538, 5699, 5822, 8733, 9869, 10842, 11398, 17097, 17466, 19738, 29607, 34194, 37843, 59214, 74087, 75686, 113529, 128297, 148174, 222261, 227058, 256594, 384891, 404629, 444522, 769782, 809258, 1213887, 2427774, 5260177, 10520354, 15780531, 31561062]

約数ペア:

[(1, 31561062), (2, 15780531), (3, 10520354), (6, 5260177), (13, 2427774), (26, 1213887), (39, 809258), (41, 769782), (71, 444522), (78, 404629), (82, 384891), (123, 256594), (139, 227058), (142, 222261), (213, 148174), (246, 128297), (278, 113529), (417, 75686), (426, 74087), (533, 59214), (834, 37843), (923, 34194), (1066, 29607), (1599, 19738), (1807, 17466), (1846, 17097), (2769, 11398), (2911, 10842), (3198, 9869), (3614, 8733), (5421, 5822), (5538, 5699)]