208437904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{773}}^1\times {\mathrm{887}}^1$

素因数の和:1687

約数の個数: 40

約数和(自身を含む): 426133440

約数和(自身を除く): 217695536

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 773, 887, 1546, 1774, 3092, 3548, 6184, 7096, 12368, 14192, 14687, 16853, 29374, 33706, 58748, 67412, 117496, 134824, 234992, 269648, 685651, 1371302, 2742604, 5485208, 10970416, 13027369, 26054738, 52109476, 104218952, 208437904]

約数ペア:

[(1, 208437904), (2, 104218952), (4, 52109476), (8, 26054738), (16, 13027369), (19, 10970416), (38, 5485208), (76, 2742604), (152, 1371302), (304, 685651), (773, 269648), (887, 234992), (1546, 134824), (1774, 117496), (3092, 67412), (3548, 58748), (6184, 33706), (7096, 29374), (12368, 16853), (14192, 14687)]