81378932

素因数分解:

$2^2\times {\mathrm{17}}^3\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 156537360

約数和(自身を除く): 75158428

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 101, 164, 202, 289, 404, 578, 697, 1156, 1394, 1717, 2788, 3434, 4141, 4913, 6868, 8282, 9826, 11849, 16564, 19652, 23698, 29189, 47396, 58378, 70397, 116756, 140794, 201433, 281588, 402866, 496213, 805732, 992426, 1196749, 1984852, 2393498, 4786996, 20344733, 40689466, 81378932]

約数ペア:

[(1, 81378932), (2, 40689466), (4, 20344733), (17, 4786996), (34, 2393498), (41, 1984852), (68, 1196749), (82, 992426), (101, 805732), (164, 496213), (202, 402866), (289, 281588), (404, 201433), (578, 140794), (697, 116756), (1156, 70397), (1394, 58378), (1717, 47396), (2788, 29189), (3434, 23698), (4141, 19652), (4913, 16564), (6868, 11849), (8282, 9826)]