212105968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 454256640

約数和(自身を除く): 242150672

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 71, 76, 124, 142, 152, 248, 284, 304, 317, 496, 568, 589, 634, 1136, 1178, 1268, 1349, 2201, 2356, 2536, 2698, 4402, 4712, 5072, 5396, 6023, 8804, 9424, 9827, 10792, 12046, 17608, 19654, 21584, 22507, 24092, 35216, 39308, 41819, 45014, 48184, 78616, 83638, 90028, 96368, 157232, 167276, 180056, 186713, 334552, 360112, 373426, 427633, 669104, 697717, 746852, 855266, 1395434, 1493704, 1710532, 2790868, 2987408, 3421064, 5581736, 6842128, 11163472, 13256623, 26513246, 53026492, 106052984, 212105968]

約数ペア:

[(1, 212105968), (2, 106052984), (4, 53026492), (8, 26513246), (16, 13256623), (19, 11163472), (31, 6842128), (38, 5581736), (62, 3421064), (71, 2987408), (76, 2790868), (124, 1710532), (142, 1493704), (152, 1395434), (248, 855266), (284, 746852), (304, 697717), (317, 669104), (496, 427633), (568, 373426), (589, 360112), (634, 334552), (1136, 186713), (1178, 180056), (1268, 167276), (1349, 157232), (2201, 96368), (2356, 90028), (2536, 83638), (2698, 78616), (4402, 48184), (4712, 45014), (5072, 41819), (5396, 39308), (6023, 35216), (8804, 24092), (9424, 22507), (9827, 21584), (10792, 19654), (12046, 17608)]