15996155

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 23666688

約数和(自身を除く): 7670533

約数列:

[1, 5, 7, 23, 31, 35, 115, 155, 161, 217, 641, 713, 805, 1085, 3205, 3565, 4487, 4991, 14743, 19871, 22435, 24955, 73715, 99355, 103201, 139097, 457033, 516005, 695485, 2285165, 3199231, 15996155]

約数ペア:

[(1, 15996155), (5, 3199231), (7, 2285165), (23, 695485), (31, 516005), (35, 457033), (115, 139097), (155, 103201), (161, 99355), (217, 73715), (641, 24955), (713, 22435), (805, 19871), (1085, 14743), (3205, 4991), (3565, 4487)]