197784958

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{1459}}^1$

素因数の和:1912

約数の個数: 32

約数和(自身を含む): 354885120

約数和(自身を除く): 157100162

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 421, 842, 1459, 2918, 2947, 5894, 9683, 10213, 19366, 20426, 33557, 67114, 67781, 135562, 234899, 469798, 614239, 1228478, 4299673, 8599346, 14127497, 28254994, 98892479, 197784958]

約数ペア:

[(1, 197784958), (2, 98892479), (7, 28254994), (14, 14127497), (23, 8599346), (46, 4299673), (161, 1228478), (322, 614239), (421, 469798), (842, 234899), (1459, 135562), (2918, 67781), (2947, 67114), (5894, 33557), (9683, 20426), (10213, 19366)]