39681785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 61931520

約数和(自身を除く): 22249735

約数列:

[1, 5, 11, 13, 19, 23, 55, 65, 95, 115, 127, 143, 209, 247, 253, 299, 437, 635, 715, 1045, 1235, 1265, 1397, 1495, 1651, 2185, 2413, 2717, 2921, 3289, 4807, 5681, 6985, 8255, 12065, 13585, 14605, 16445, 18161, 24035, 26543, 28405, 31369, 32131, 37973, 55499, 62491, 90805, 132715, 156845, 160655, 189865, 277495, 312455, 345059, 417703, 610489, 721487, 1725295, 2088515, 3052445, 3607435, 7936357, 39681785]

約数ペア:

[(1, 39681785), (5, 7936357), (11, 3607435), (13, 3052445), (19, 2088515), (23, 1725295), (55, 721487), (65, 610489), (95, 417703), (115, 345059), (127, 312455), (143, 277495), (209, 189865), (247, 160655), (253, 156845), (299, 132715), (437, 90805), (635, 62491), (715, 55499), (1045, 37973), (1235, 32131), (1265, 31369), (1397, 28405), (1495, 26543), (1651, 24035), (2185, 18161), (2413, 16445), (2717, 14605), (2921, 13585), (3289, 12065), (4807, 8255), (5681, 6985)]