81146872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 170100000

約数和(自身を除く): 88953128

約数列:

[1, 2, 4, 8, 19, 29, 38, 41, 58, 76, 82, 116, 152, 164, 232, 328, 449, 551, 779, 898, 1102, 1189, 1558, 1796, 2204, 2378, 3116, 3592, 4408, 4756, 6232, 8531, 9512, 13021, 17062, 18409, 22591, 26042, 34124, 36818, 45182, 52084, 68248, 73636, 90364, 104168, 147272, 180728, 247399, 349771, 494798, 533861, 699542, 989596, 1067722, 1399084, 1979192, 2135444, 2798168, 4270888, 10143359, 20286718, 40573436, 81146872]

約数ペア:

[(1, 81146872), (2, 40573436), (4, 20286718), (8, 10143359), (19, 4270888), (29, 2798168), (38, 2135444), (41, 1979192), (58, 1399084), (76, 1067722), (82, 989596), (116, 699542), (152, 533861), (164, 494798), (232, 349771), (328, 247399), (449, 180728), (551, 147272), (779, 104168), (898, 90364), (1102, 73636), (1189, 68248), (1558, 52084), (1796, 45182), (2204, 36818), (2378, 34124), (3116, 26042), (3592, 22591), (4408, 18409), (4756, 17062), (6232, 13021), (8531, 9512)]