1561252

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 3523968

約数和(自身を除く): 1962716

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 137, 148, 154, 259, 274, 308, 407, 518, 548, 814, 959, 1036, 1507, 1628, 1918, 2849, 3014, 3836, 5069, 5698, 6028, 10138, 10549, 11396, 20276, 21098, 35483, 42196, 55759, 70966, 111518, 141932, 223036, 390313, 780626, 1561252]

約数ペア:

[(1, 1561252), (2, 780626), (4, 390313), (7, 223036), (11, 141932), (14, 111518), (22, 70966), (28, 55759), (37, 42196), (44, 35483), (74, 21098), (77, 20276), (137, 11396), (148, 10549), (154, 10138), (259, 6028), (274, 5698), (308, 5069), (407, 3836), (518, 3014), (548, 2849), (814, 1918), (959, 1628), (1036, 1507)]