665728310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{8273}}^1$

素因数の和:8912

約数の個数: 32

約数和(自身を含む): 1292729760

約数和(自身を除く): 627001450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 619, 1238, 3095, 6190, 8047, 8273, 16094, 16546, 40235, 41365, 80470, 82730, 107549, 215098, 537745, 1075490, 5120987, 10241974, 25604935, 51209870, 66572831, 133145662, 332864155, 665728310]

約数ペア:

[(1, 665728310), (2, 332864155), (5, 133145662), (10, 66572831), (13, 51209870), (26, 25604935), (65, 10241974), (130, 5120987), (619, 1075490), (1238, 537745), (3095, 215098), (6190, 107549), (8047, 82730), (8273, 80470), (16094, 41365), (16546, 40235)]