81957190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{859}}^1$

素因数の和:949

約数の個数: 64

約数和(自身を含む): 178329600

約数和(自身を除く): 96372410

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 47, 58, 70, 94, 145, 203, 235, 290, 329, 406, 470, 658, 859, 1015, 1363, 1645, 1718, 2030, 2726, 3290, 4295, 6013, 6815, 8590, 9541, 12026, 13630, 19082, 24911, 30065, 40373, 47705, 49822, 60130, 80746, 95410, 124555, 174377, 201865, 249110, 282611, 348754, 403730, 565222, 871885, 1170817, 1413055, 1743770, 2341634, 2826110, 5854085, 8195719, 11708170, 16391438, 40978595, 81957190]

約数ペア:

[(1, 81957190), (2, 40978595), (5, 16391438), (7, 11708170), (10, 8195719), (14, 5854085), (29, 2826110), (35, 2341634), (47, 1743770), (58, 1413055), (70, 1170817), (94, 871885), (145, 565222), (203, 403730), (235, 348754), (290, 282611), (329, 249110), (406, 201865), (470, 174377), (658, 124555), (859, 95410), (1015, 80746), (1363, 60130), (1645, 49822), (1718, 47705), (2030, 40373), (2726, 30065), (3290, 24911), (4295, 19082), (6013, 13630), (6815, 12026), (8590, 9541)]