129781648

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{1291}}^1$

素因数の和:1463

約数の個数: 40

約数和(自身を含む): 258255296

約数和(自身を除く): 128473648

約数列:

[1, 2, 4, 8, 16, 61, 103, 122, 206, 244, 412, 488, 824, 976, 1291, 1648, 2582, 5164, 6283, 10328, 12566, 20656, 25132, 50264, 78751, 100528, 132973, 157502, 265946, 315004, 531892, 630008, 1063784, 1260016, 2127568, 8111353, 16222706, 32445412, 64890824, 129781648]

約数ペア:

[(1, 129781648), (2, 64890824), (4, 32445412), (8, 16222706), (16, 8111353), (61, 2127568), (103, 1260016), (122, 1063784), (206, 630008), (244, 531892), (412, 315004), (488, 265946), (824, 157502), (976, 132973), (1291, 100528), (1648, 78751), (2582, 50264), (5164, 25132), (6283, 20656), (10328, 12566)]