198854866

素因数分解:

$2^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{22159}}^1$

素因数の和:22809

約数の個数: 16

約数和(自身を含む): 341441280

約数和(自身を除く): 142586414

約数列:

[1, 2, 7, 14, 641, 1282, 4487, 8974, 22159, 44318, 155113, 310226, 14203919, 28407838, 99427433, 198854866]

約数ペア:

[(1, 198854866), (2, 99427433), (7, 28407838), (14, 14203919), (641, 310226), (1282, 155113), (4487, 44318), (8974, 22159)]