71964392

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{661}}^1$

素因数の和:1137

約数の個数: 32

約数和(自身を含む): 139814400

約数和(自身を除く): 67850008

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 439, 661, 878, 1322, 1756, 2644, 3512, 5288, 13609, 20491, 27218, 40982, 54436, 81964, 108872, 163928, 290179, 580358, 1160716, 2321432, 8995549, 17991098, 35982196, 71964392]

約数ペア:

[(1, 71964392), (2, 35982196), (4, 17991098), (8, 8995549), (31, 2321432), (62, 1160716), (124, 580358), (248, 290179), (439, 163928), (661, 108872), (878, 81964), (1322, 54436), (1756, 40982), (2644, 27218), (3512, 20491), (5288, 13609)]