128887615

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{8233}}^1$

素因数の和:8370

約数の個数: 16

約数和(自身を含む): 161254656

約数和(自身を除く): 32367041

約数列:

[1, 5, 31, 101, 155, 505, 3131, 8233, 15655, 41165, 255223, 831533, 1276115, 4157665, 25777523, 128887615]

約数ペア:

[(1, 128887615), (5, 25777523), (31, 4157665), (101, 1276115), (155, 831533), (505, 255223), (3131, 41165), (8233, 15655)]