642334288

素因数分解:

$2^4\times {\mathrm{359}}^1\times {\mathrm{111827}}^1$

素因数の和:112194

約数の個数: 20

約数和(自身を含む): 1248000480

約数和(自身を除く): 605666192

約数列:

[1, 2, 4, 8, 16, 359, 718, 1436, 2872, 5744, 111827, 223654, 447308, 894616, 1789232, 40145893, 80291786, 160583572, 321167144, 642334288]

約数ペア:

[(1, 642334288), (2, 321167144), (4, 160583572), (8, 80291786), (16, 40145893), (359, 1789232), (718, 894616), (1436, 447308), (2872, 223654), (5744, 111827)]