31976838

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 71165952

約数和(自身を除く): 39189114

約数列:

[1, 2, 3, 6, 9, 18, 71, 131, 142, 191, 213, 262, 382, 393, 426, 573, 639, 786, 1146, 1179, 1278, 1719, 2358, 3438, 9301, 13561, 18602, 25021, 27122, 27903, 40683, 50042, 55806, 75063, 81366, 83709, 122049, 150126, 167418, 225189, 244098, 450378, 1776491, 3552982, 5329473, 10658946, 15988419, 31976838]

約数ペア:

[(1, 31976838), (2, 15988419), (3, 10658946), (6, 5329473), (9, 3552982), (18, 1776491), (71, 450378), (131, 244098), (142, 225189), (191, 167418), (213, 150126), (262, 122049), (382, 83709), (393, 81366), (426, 75063), (573, 55806), (639, 50042), (786, 40683), (1146, 27903), (1179, 27122), (1278, 25021), (1719, 18602), (2358, 13561), (3438, 9301)]