38996445

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 65070720

約数和(自身を除く): 26074275

約数列:

[1, 3, 5, 15, 29, 87, 145, 157, 435, 471, 571, 785, 1713, 2355, 2855, 4553, 8565, 13659, 16559, 22765, 49677, 68295, 82795, 89647, 248385, 268941, 448235, 1344705, 2599763, 7799289, 12998815, 38996445]

約数ペア:

[(1, 38996445), (3, 12998815), (5, 7799289), (15, 2599763), (29, 1344705), (87, 448235), (145, 268941), (157, 248385), (435, 89647), (471, 82795), (571, 68295), (785, 49677), (1713, 22765), (2355, 16559), (2855, 13659), (4553, 8565)]