1990152

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 5456880

約数和(自身を除く): 3466728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 211, 262, 393, 422, 524, 633, 786, 844, 1048, 1179, 1266, 1572, 1688, 1899, 2358, 2532, 3144, 3798, 4716, 5064, 7596, 9432, 15192, 27641, 55282, 82923, 110564, 165846, 221128, 248769, 331692, 497538, 663384, 995076, 1990152]

約数ペア:

[(1, 1990152), (2, 995076), (3, 663384), (4, 497538), (6, 331692), (8, 248769), (9, 221128), (12, 165846), (18, 110564), (24, 82923), (36, 55282), (72, 27641), (131, 15192), (211, 9432), (262, 7596), (393, 5064), (422, 4716), (524, 3798), (633, 3144), (786, 2532), (844, 2358), (1048, 1899), (1179, 1688), (1266, 1572)]