138428156

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{4159}}^1$

素因数の和:4373

約数の個数: 24

約数和(自身を含む): 248451840

約数和(自身を除く): 110023684

約数列:

[1, 2, 4, 53, 106, 157, 212, 314, 628, 4159, 8318, 8321, 16636, 16642, 33284, 220427, 440854, 652963, 881708, 1305926, 2611852, 34607039, 69214078, 138428156]

約数ペア:

[(1, 138428156), (2, 69214078), (4, 34607039), (53, 2611852), (106, 1305926), (157, 881708), (212, 652963), (314, 440854), (628, 220427), (4159, 33284), (8318, 16642), (8321, 16636)]