678334612

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{19991}}^1$

素因数の和:20511

約数の個数: 24

約数和(自身を含む): 1259496000

約数和(自身を除く): 581161388

約数列:

[1, 2, 4, 17, 34, 68, 499, 998, 1996, 8483, 16966, 19991, 33932, 39982, 79964, 339847, 679694, 1359388, 9975509, 19951018, 39902036, 169583653, 339167306, 678334612]

約数ペア:

[(1, 678334612), (2, 339167306), (4, 169583653), (17, 39902036), (34, 19951018), (68, 9975509), (499, 1359388), (998, 679694), (1996, 339847), (8483, 79964), (16966, 39982), (19991, 33932)]