1258471851

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{179}}^1\times {\mathrm{283}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 2132930880

約数和(自身を除く): 874459029

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 179, 273, 283, 507, 537, 637, 849, 1183, 1253, 1911, 1981, 2327, 3549, 3679, 3759, 5943, 6981, 8281, 8771, 11037, 13867, 16289, 24843, 25753, 26313, 30251, 41601, 47827, 48867, 50657, 77259, 90753, 114023, 143481, 151971, 180271, 211757, 334789, 342069, 354599, 540813, 635271, 658541, 1004367, 1063797, 1482299, 1975623, 2343523, 2482193, 4446897, 4609787, 7030569, 7446579, 8561033, 13829361, 25683099, 32268509, 59927231, 96805527, 179781693, 419490617, 1258471851]

約数ペア:

[(1, 1258471851), (3, 419490617), (7, 179781693), (13, 96805527), (21, 59927231), (39, 32268509), (49, 25683099), (91, 13829361), (147, 8561033), (169, 7446579), (179, 7030569), (273, 4609787), (283, 4446897), (507, 2482193), (537, 2343523), (637, 1975623), (849, 1482299), (1183, 1063797), (1253, 1004367), (1911, 658541), (1981, 635271), (2327, 540813), (3549, 354599), (3679, 342069), (3759, 334789), (5943, 211757), (6981, 180271), (8281, 151971), (8771, 143481), (11037, 114023), (13867, 90753), (16289, 77259), (24843, 50657), (25753, 48867), (26313, 47827), (30251, 41601)]