39971848

素因数分解:

$2^3\times 7^4\times {\mathrm{2081}}^1$

素因数の和:2115

約数の個数: 40

約数和(自身を含む): 87475230

約数和(自身を除く): 47503382

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2081, 2401, 2744, 4162, 4802, 8324, 9604, 14567, 16648, 19208, 29134, 58268, 101969, 116536, 203938, 407876, 713783, 815752, 1427566, 2855132, 4996481, 5710264, 9992962, 19985924, 39971848]

約数ペア:

[(1, 39971848), (2, 19985924), (4, 9992962), (7, 5710264), (8, 4996481), (14, 2855132), (28, 1427566), (49, 815752), (56, 713783), (98, 407876), (196, 203938), (343, 116536), (392, 101969), (686, 58268), (1372, 29134), (2081, 19208), (2401, 16648), (2744, 14567), (4162, 9604), (4802, 8324)]