31402556

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 59350368

約数和(自身を除く): 27947812

約数列:

[1, 2, 4, 41, 43, 61, 73, 82, 86, 122, 146, 164, 172, 244, 292, 1763, 2501, 2623, 2993, 3139, 3526, 4453, 5002, 5246, 5986, 6278, 7052, 8906, 10004, 10492, 11972, 12556, 17812, 107543, 128699, 182573, 191479, 215086, 257398, 365146, 382958, 430172, 514796, 730292, 765916, 7850639, 15701278, 31402556]

約数ペア:

[(1, 31402556), (2, 15701278), (4, 7850639), (41, 765916), (43, 730292), (61, 514796), (73, 430172), (82, 382958), (86, 365146), (122, 257398), (146, 215086), (164, 191479), (172, 182573), (244, 128699), (292, 107543), (1763, 17812), (2501, 12556), (2623, 11972), (2993, 10492), (3139, 10004), (3526, 8906), (4453, 7052), (5002, 6278), (5246, 5986)]