11391990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8831}}^1$

素因数の和:8884

約数の個数: 32

約数和(自身を含む): 27979776

約数和(自身を除く): 16587786

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 8831, 17662, 26493, 44155, 52986, 88310, 132465, 264930, 379733, 759466, 1139199, 1898665, 2278398, 3797330, 5695995, 11391990]

約数ペア:

[(1, 11391990), (2, 5695995), (3, 3797330), (5, 2278398), (6, 1898665), (10, 1139199), (15, 759466), (30, 379733), (43, 264930), (86, 132465), (129, 88310), (215, 52986), (258, 44155), (430, 26493), (645, 17662), (1290, 8831)]