78897766

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 128250720

約数和(自身を除く): 49352954

約数列:

[1, 2, 19, 38, 61, 101, 122, 202, 337, 674, 1159, 1919, 2318, 3838, 6161, 6403, 12322, 12806, 20557, 34037, 41114, 68074, 117059, 234118, 390583, 646703, 781166, 1293406, 2076257, 4152514, 39448883, 78897766]

約数ペア:

[(1, 78897766), (2, 39448883), (19, 4152514), (38, 2076257), (61, 1293406), (101, 781166), (122, 646703), (202, 390583), (337, 234118), (674, 117059), (1159, 68074), (1919, 41114), (2318, 34037), (3838, 20557), (6161, 12806), (6403, 12322)]