261752645

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{3253}}^1$

素因数の和:3306

約数の個数: 48

約数和(自身を含む): 415470720

約数和(自身を除く): 153718075

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 121, 133, 209, 385, 605, 665, 847, 1045, 1463, 2299, 3253, 4235, 7315, 11495, 16093, 16265, 22771, 35783, 61807, 80465, 113855, 178915, 250481, 309035, 393613, 432649, 679877, 1252405, 1968065, 2163245, 2755291, 3399385, 4759139, 7478647, 13776455, 23795695, 37393235, 52350529, 261752645]

約数ペア:

[(1, 261752645), (5, 52350529), (7, 37393235), (11, 23795695), (19, 13776455), (35, 7478647), (55, 4759139), (77, 3399385), (95, 2755291), (121, 2163245), (133, 1968065), (209, 1252405), (385, 679877), (605, 432649), (665, 393613), (847, 309035), (1045, 250481), (1463, 178915), (2299, 113855), (3253, 80465), (4235, 61807), (7315, 35783), (11495, 22771), (16093, 16265)]