221828306

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{1301}}^1$

素因数の和:1970

約数の個数: 32

約数和(自身を含む): 401224320

約数和(自身を除く): 179396014

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 641, 1282, 1301, 2602, 4487, 8974, 9107, 12179, 18214, 24358, 24719, 49438, 85253, 170506, 173033, 346066, 833941, 1667882, 5837587, 11675174, 15844879, 31689758, 110914153, 221828306]

約数ペア:

[(1, 221828306), (2, 110914153), (7, 31689758), (14, 15844879), (19, 11675174), (38, 5837587), (133, 1667882), (266, 833941), (641, 346066), (1282, 173033), (1301, 170506), (2602, 85253), (4487, 49438), (8974, 24719), (9107, 24358), (12179, 18214)]