81604812

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{701}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 194594400

約数和(自身を除く): 112989588

約数列:

[1, 2, 3, 4, 6, 12, 89, 109, 178, 218, 267, 327, 356, 436, 534, 654, 701, 1068, 1308, 1402, 2103, 2804, 4206, 8412, 9701, 19402, 29103, 38804, 58206, 62389, 76409, 116412, 124778, 152818, 187167, 229227, 249556, 305636, 374334, 458454, 748668, 916908, 6800401, 13600802, 20401203, 27201604, 40802406, 81604812]

約数ペア:

[(1, 81604812), (2, 40802406), (3, 27201604), (4, 20401203), (6, 13600802), (12, 6800401), (89, 916908), (109, 748668), (178, 458454), (218, 374334), (267, 305636), (327, 249556), (356, 229227), (436, 187167), (534, 152818), (654, 124778), (701, 116412), (1068, 76409), (1308, 62389), (1402, 58206), (2103, 38804), (2804, 29103), (4206, 19402), (8412, 9701)]