31912730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1559}}^1$

素因数の和:1678

約数の個数: 32

約数和(自身を含む): 60652800

約数和(自身を除く): 28740070

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 1559, 2047, 3118, 4094, 7795, 10235, 15590, 20470, 35857, 71714, 138751, 179285, 277502, 358570, 693755, 1387510, 3191273, 6382546, 15956365, 31912730]

約数ペア:

[(1, 31912730), (2, 15956365), (5, 6382546), (10, 3191273), (23, 1387510), (46, 693755), (89, 358570), (115, 277502), (178, 179285), (230, 138751), (445, 71714), (890, 35857), (1559, 20470), (2047, 15590), (3118, 10235), (4094, 7795)]