8387990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 16432416

約数和(自身を除く): 8044426

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 226, 565, 571, 1130, 1142, 1469, 2855, 2938, 5710, 7345, 7423, 14690, 14846, 37115, 64523, 74230, 129046, 322615, 645230, 838799, 1677598, 4193995, 8387990]

約数ペア:

[(1, 8387990), (2, 4193995), (5, 1677598), (10, 838799), (13, 645230), (26, 322615), (65, 129046), (113, 74230), (130, 64523), (226, 37115), (565, 14846), (571, 14690), (1130, 7423), (1142, 7345), (1469, 5710), (2855, 2938)]