51748918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 90980064

約数和(自身を除く): 39231146

約数列:

[1, 2, 13, 17, 26, 34, 71, 97, 142, 194, 221, 289, 442, 578, 923, 1207, 1261, 1649, 1846, 2414, 2522, 3298, 3757, 6887, 7514, 13774, 15691, 20519, 21437, 28033, 31382, 41038, 42874, 56066, 89531, 117079, 179062, 234158, 266747, 364429, 533494, 728858, 1522027, 1990343, 3044054, 3980686, 25874459, 51748918]

約数ペア:

[(1, 51748918), (2, 25874459), (13, 3980686), (17, 3044054), (26, 1990343), (34, 1522027), (71, 728858), (97, 533494), (142, 364429), (194, 266747), (221, 234158), (289, 179062), (442, 117079), (578, 89531), (923, 56066), (1207, 42874), (1261, 41038), (1649, 31382), (1846, 28033), (2414, 21437), (2522, 20519), (3298, 15691), (3757, 13774), (6887, 7514)]