287612122

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{1999}}^1$

素因数の和:2290

約数の個数: 32

約数和(自身を含む): 506880000

約数和(自身を除く): 219267878

約数列:

[1, 2, 7, 14, 43, 86, 239, 301, 478, 602, 1673, 1999, 3346, 3998, 10277, 13993, 20554, 27986, 71939, 85957, 143878, 171914, 477761, 601699, 955522, 1203398, 3344327, 6688654, 20543723, 41087446, 143806061, 287612122]

約数ペア:

[(1, 287612122), (2, 143806061), (7, 41087446), (14, 20543723), (43, 6688654), (86, 3344327), (239, 1203398), (301, 955522), (478, 601699), (602, 477761), (1673, 171914), (1999, 143878), (3346, 85957), (3998, 71939), (10277, 27986), (13993, 20554)]