12912998410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{386501}}^1$

素因数の和:386778

約数の個数: 32

約数和(自身を含む): 25128814032

約数和(自身を除く): 12215815622

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 257, 514, 1285, 2570, 3341, 6682, 16705, 33410, 386501, 773002, 1932505, 3865010, 5024513, 10049026, 25122565, 50245130, 99330757, 198661514, 496653785, 993307570, 1291299841, 2582599682, 6456499205, 12912998410]

約数ペア:

[(1, 12912998410), (2, 6456499205), (5, 2582599682), (10, 1291299841), (13, 993307570), (26, 496653785), (65, 198661514), (130, 99330757), (257, 50245130), (514, 25122565), (1285, 10049026), (2570, 5024513), (3341, 3865010), (6682, 1932505), (16705, 773002), (33410, 386501)]