289491130

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{12251}}^1$

素因数の和:12414

約数の個数: 32

約数和(自身を含む): 555750720

約数和(自身を除く): 266259590

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 278, 695, 1390, 2363, 4726, 11815, 12251, 23630, 24502, 61255, 122510, 208267, 416534, 1041335, 1702889, 2082670, 3405778, 8514445, 17028890, 28949113, 57898226, 144745565, 289491130]

約数ペア:

[(1, 289491130), (2, 144745565), (5, 57898226), (10, 28949113), (17, 17028890), (34, 8514445), (85, 3405778), (139, 2082670), (170, 1702889), (278, 1041335), (695, 416534), (1390, 208267), (2363, 122510), (4726, 61255), (11815, 24502), (12251, 23630)]