637651984

素因数分解:

$2^4\times {\mathrm{1321}}^1\times {\mathrm{30169}}^1$

素因数の和:31498

約数の個数: 20

約数和(自身を含む): 1236426940

約数和(自身を除く): 598774956

約数列:

[1, 2, 4, 8, 16, 1321, 2642, 5284, 10568, 21136, 30169, 60338, 120676, 241352, 482704, 39853249, 79706498, 159412996, 318825992, 637651984]

約数ペア:

[(1, 637651984), (2, 318825992), (4, 159412996), (8, 79706498), (16, 39853249), (1321, 482704), (2642, 241352), (5284, 120676), (10568, 60338), (21136, 30169)]