64720448

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{727}}^1$

素因数の和:859

約数の個数: 56

約数和(自身を含む): 139793472

約数和(自身を除く): 75073024

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 107, 208, 214, 416, 428, 727, 832, 856, 1391, 1454, 1712, 2782, 2908, 3424, 5564, 5816, 6848, 9451, 11128, 11632, 18902, 22256, 23264, 37804, 44512, 46528, 75608, 77789, 89024, 151216, 155578, 302432, 311156, 604864, 622312, 1011257, 1244624, 2022514, 2489248, 4045028, 4978496, 8090056, 16180112, 32360224, 64720448]

約数ペア:

[(1, 64720448), (2, 32360224), (4, 16180112), (8, 8090056), (13, 4978496), (16, 4045028), (26, 2489248), (32, 2022514), (52, 1244624), (64, 1011257), (104, 622312), (107, 604864), (208, 311156), (214, 302432), (416, 155578), (428, 151216), (727, 89024), (832, 77789), (856, 75608), (1391, 46528), (1454, 44512), (1712, 37804), (2782, 23264), (2908, 22256), (3424, 18902), (5564, 11632), (5816, 11128), (6848, 9451)]