208488518

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{1531}}^1$

素因数の和:1748

約数の個数: 32

約数和(自身を含む): 365326848

約数和(自身を除く): 156838330

約数列:

[1, 2, 7, 14, 71, 137, 142, 274, 497, 959, 994, 1531, 1918, 3062, 9727, 10717, 19454, 21434, 68089, 108701, 136178, 209747, 217402, 419494, 760907, 1468229, 1521814, 2936458, 14892037, 29784074, 104244259, 208488518]

約数ペア:

[(1, 208488518), (2, 104244259), (7, 29784074), (14, 14892037), (71, 2936458), (137, 1521814), (142, 1468229), (274, 760907), (497, 419494), (959, 217402), (994, 209747), (1531, 136178), (1918, 108701), (3062, 68089), (9727, 21434), (10717, 19454)]