2097151490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{883}}^1$

素因数の和:1072

約数の個数: 96

約数和(自身を含む): 4549431744

約数和(自身を除く): 2452280254

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 131, 185, 245, 259, 262, 370, 490, 518, 655, 883, 917, 1295, 1310, 1766, 1813, 1834, 2590, 3626, 4415, 4585, 4847, 6181, 6419, 8830, 9065, 9170, 9694, 12362, 12838, 18130, 24235, 30905, 32095, 32671, 33929, 43267, 48470, 61810, 64190, 65342, 67858, 86534, 115673, 163355, 169645, 216335, 228697, 231346, 237503, 326710, 339290, 432670, 457394, 475006, 578365, 809711, 1143485, 1156730, 1187515, 1600879, 1619422, 2286970, 2375030, 3201758, 4048555, 4279901, 5667977, 8004395, 8097110, 8559802, 11335954, 16008790, 21399505, 28339885, 29959307, 42799010, 56679770, 59918614, 149796535, 209715149, 299593070, 419430298, 1048575745, 2097151490]

約数ペア:

[(1, 2097151490), (2, 1048575745), (5, 419430298), (7, 299593070), (10, 209715149), (14, 149796535), (35, 59918614), (37, 56679770), (49, 42799010), (70, 29959307), (74, 28339885), (98, 21399505), (131, 16008790), (185, 11335954), (245, 8559802), (259, 8097110), (262, 8004395), (370, 5667977), (490, 4279901), (518, 4048555), (655, 3201758), (883, 2375030), (917, 2286970), (1295, 1619422), (1310, 1600879), (1766, 1187515), (1813, 1156730), (1834, 1143485), (2590, 809711), (3626, 578365), (4415, 475006), (4585, 457394), (4847, 432670), (6181, 339290), (6419, 326710), (8830, 237503), (9065, 231346), (9170, 228697), (9694, 216335), (12362, 169645), (12838, 163355), (18130, 115673), (24235, 86534), (30905, 67858), (32095, 65342), (32671, 64190), (33929, 61810), (43267, 48470)]