208920656

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3167}}^1$

素因数の和:3232

約数の個数: 80

約数和(自身を含む): 502824960

約数和(自身を除く): 293904304

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 248, 266, 304, 434, 496, 532, 589, 868, 1064, 1178, 1736, 2128, 2356, 3167, 3472, 4123, 4712, 6334, 8246, 9424, 12668, 16492, 22169, 25336, 32984, 44338, 50672, 60173, 65968, 88676, 98177, 120346, 177352, 196354, 240692, 354704, 392708, 421211, 481384, 687239, 785416, 842422, 962768, 1374478, 1570832, 1684844, 1865363, 2748956, 3369688, 3730726, 5497912, 6739376, 7461452, 10995824, 13057541, 14922904, 26115082, 29845808, 52230164, 104460328, 208920656]

約数ペア:

[(1, 208920656), (2, 104460328), (4, 52230164), (7, 29845808), (8, 26115082), (14, 14922904), (16, 13057541), (19, 10995824), (28, 7461452), (31, 6739376), (38, 5497912), (56, 3730726), (62, 3369688), (76, 2748956), (112, 1865363), (124, 1684844), (133, 1570832), (152, 1374478), (217, 962768), (248, 842422), (266, 785416), (304, 687239), (434, 481384), (496, 421211), (532, 392708), (589, 354704), (868, 240692), (1064, 196354), (1178, 177352), (1736, 120346), (2128, 98177), (2356, 88676), (3167, 65968), (3472, 60173), (4123, 50672), (4712, 44338), (6334, 32984), (8246, 25336), (9424, 22169), (12668, 16492)]