81827144

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 181560960

約数和(自身を除く): 99733816

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 157, 164, 227, 287, 314, 328, 454, 574, 628, 908, 1099, 1148, 1256, 1589, 1816, 2198, 2296, 3178, 4396, 6356, 6437, 8792, 9307, 12712, 12874, 18614, 25748, 35639, 37228, 45059, 51496, 65149, 71278, 74456, 90118, 130298, 142556, 180236, 249473, 260596, 285112, 360472, 498946, 521192, 997892, 1461199, 1995784, 2922398, 5844796, 10228393, 11689592, 20456786, 40913572, 81827144]

約数ペア:

[(1, 81827144), (2, 40913572), (4, 20456786), (7, 11689592), (8, 10228393), (14, 5844796), (28, 2922398), (41, 1995784), (56, 1461199), (82, 997892), (157, 521192), (164, 498946), (227, 360472), (287, 285112), (314, 260596), (328, 249473), (454, 180236), (574, 142556), (628, 130298), (908, 90118), (1099, 74456), (1148, 71278), (1256, 65149), (1589, 51496), (1816, 45059), (2198, 37228), (2296, 35639), (3178, 25748), (4396, 18614), (6356, 12874), (6437, 12712), (8792, 9307)]