217871862

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{6221}}^1$

素因数の和:6688

約数の個数: 32

約数和(自身を含む): 470383200

約数和(自身を除く): 252511338

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 449, 898, 1347, 2694, 5837, 6221, 11674, 12442, 17511, 18663, 35022, 37326, 80873, 161746, 242619, 485238, 2793229, 5586458, 8379687, 16759374, 36311977, 72623954, 108935931, 217871862]

約数ペア:

[(1, 217871862), (2, 108935931), (3, 72623954), (6, 36311977), (13, 16759374), (26, 8379687), (39, 5586458), (78, 2793229), (449, 485238), (898, 242619), (1347, 161746), (2694, 80873), (5837, 37326), (6221, 35022), (11674, 18663), (12442, 17511)]