81172856

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{439}}^1\times {\mathrm{797}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 158004000

約数和(自身を除く): 76831144

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 439, 797, 878, 1594, 1756, 3188, 3512, 6376, 12731, 23113, 25462, 46226, 50924, 92452, 101848, 184904, 349883, 699766, 1399532, 2799064, 10146607, 20293214, 40586428, 81172856]

約数ペア:

[(1, 81172856), (2, 40586428), (4, 20293214), (8, 10146607), (29, 2799064), (58, 1399532), (116, 699766), (232, 349883), (439, 184904), (797, 101848), (878, 92452), (1594, 50924), (1756, 46226), (3188, 25462), (3512, 23113), (6376, 12731)]