213778852

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{246289}}^1$

素因数の和:246331

約数の個数: 24

約数和(自身を含む): 441351680

約数和(自身を除く): 227572828

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 246289, 492578, 985156, 1724023, 3448046, 6896092, 7634959, 15269918, 30539836, 53444713, 106889426, 213778852]

約数ペア:

[(1, 213778852), (2, 106889426), (4, 53444713), (7, 30539836), (14, 15269918), (28, 7634959), (31, 6896092), (62, 3448046), (124, 1724023), (217, 985156), (434, 492578), (868, 246289)]