81521902

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31139}}^1$

素因数の和:31176

約数の個数: 32

約数和(自身を含む): 161429760

約数和(自身を除く): 79907858

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 1309, 2618, 31139, 62278, 217973, 342529, 435946, 529363, 685058, 1058726, 2397703, 3705541, 4795406, 5822993, 7411082, 11645986, 40760951, 81521902]

約数ペア:

[(1, 81521902), (2, 40760951), (7, 11645986), (11, 7411082), (14, 5822993), (17, 4795406), (22, 3705541), (34, 2397703), (77, 1058726), (119, 685058), (154, 529363), (187, 435946), (238, 342529), (374, 217973), (1309, 62278), (2618, 31139)]