81968774

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{467}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 134784000

約数和(自身を除く): 52815226

約数列:

[1, 2, 19, 31, 38, 62, 149, 298, 467, 589, 934, 1178, 2831, 4619, 5662, 8873, 9238, 14477, 17746, 28954, 69583, 87761, 139166, 175522, 275063, 550126, 1322077, 2157073, 2644154, 4314146, 40984387, 81968774]

約数ペア:

[(1, 81968774), (2, 40984387), (19, 4314146), (31, 2644154), (38, 2157073), (62, 1322077), (149, 550126), (298, 275063), (467, 175522), (589, 139166), (934, 87761), (1178, 69583), (2831, 28954), (4619, 17746), (5662, 14477), (8873, 9238)]