720890394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{26777}}^1$

素因数の和:27430

約数の個数: 32

約数和(自身を含む): 1650381696

約数和(自身を除く): 929491302

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 641, 1282, 1923, 3846, 4487, 8974, 13461, 26777, 26922, 53554, 80331, 160662, 187439, 374878, 562317, 1124634, 17164057, 34328114, 51492171, 102984342, 120148399, 240296798, 360445197, 720890394]

約数ペア:

[(1, 720890394), (2, 360445197), (3, 240296798), (6, 120148399), (7, 102984342), (14, 51492171), (21, 34328114), (42, 17164057), (641, 1124634), (1282, 562317), (1923, 374878), (3846, 187439), (4487, 160662), (8974, 80331), (13461, 53554), (26777, 26922)]