201581908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 394740864

約数和(自身を除く): 193158956

約数列:

[1, 2, 4, 11, 22, 44, 73, 97, 146, 194, 292, 388, 647, 803, 1067, 1294, 1606, 2134, 2588, 3212, 4268, 7081, 7117, 14162, 14234, 28324, 28468, 47231, 62759, 77891, 94462, 125518, 155782, 188924, 251036, 311564, 519541, 690349, 1039082, 1380698, 2078164, 2761396, 4581407, 9162814, 18325628, 50395477, 100790954, 201581908]

約数ペア:

[(1, 201581908), (2, 100790954), (4, 50395477), (11, 18325628), (22, 9162814), (44, 4581407), (73, 2761396), (97, 2078164), (146, 1380698), (194, 1039082), (292, 690349), (388, 519541), (647, 311564), (803, 251036), (1067, 188924), (1294, 155782), (1606, 125518), (2134, 94462), (2588, 77891), (3212, 62759), (4268, 47231), (7081, 28468), (7117, 28324), (14162, 14234)]