81718586

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 131383296

約数和(自身を除く): 49664710

約数列:

[1, 2, 23, 46, 71, 131, 142, 191, 262, 382, 1633, 3013, 3266, 4393, 6026, 8786, 9301, 13561, 18602, 25021, 27122, 50042, 213923, 311903, 427846, 575483, 623806, 1150966, 1776491, 3552982, 40859293, 81718586]

約数ペア:

[(1, 81718586), (2, 40859293), (23, 3552982), (46, 1776491), (71, 1150966), (131, 623806), (142, 575483), (191, 427846), (262, 311903), (382, 213923), (1633, 50042), (3013, 27122), (3266, 25021), (4393, 18602), (6026, 13561), (8786, 9301)]