81897904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1289}}^1$

素因数の和:1346

約数の個数: 60

約数和(自身を含む): 182834280

約数和(自身を除く): 100936376

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 361, 418, 722, 836, 1289, 1444, 1672, 2578, 2888, 3344, 3971, 5156, 5776, 7942, 10312, 14179, 15884, 20624, 24491, 28358, 31768, 48982, 56716, 63536, 97964, 113432, 195928, 226864, 269401, 391856, 465329, 538802, 930658, 1077604, 1861316, 2155208, 3722632, 4310416, 5118619, 7445264, 10237238, 20474476, 40948952, 81897904]

約数ペア:

[(1, 81897904), (2, 40948952), (4, 20474476), (8, 10237238), (11, 7445264), (16, 5118619), (19, 4310416), (22, 3722632), (38, 2155208), (44, 1861316), (76, 1077604), (88, 930658), (152, 538802), (176, 465329), (209, 391856), (304, 269401), (361, 226864), (418, 195928), (722, 113432), (836, 97964), (1289, 63536), (1444, 56716), (1672, 48982), (2578, 31768), (2888, 28358), (3344, 24491), (3971, 20624), (5156, 15884), (5776, 14179), (7942, 10312)]