205448656

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1259}}^1$

素因数の和:1352

約数の個数: 80

約数和(自身を含む): 479969280

約数和(自身を除く): 274520624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 47, 56, 62, 94, 112, 124, 188, 217, 248, 329, 376, 434, 496, 658, 752, 868, 1259, 1316, 1457, 1736, 2518, 2632, 2914, 3472, 5036, 5264, 5828, 8813, 10072, 10199, 11656, 17626, 20144, 20398, 23312, 35252, 39029, 40796, 59173, 70504, 78058, 81592, 118346, 141008, 156116, 163184, 236692, 273203, 312232, 414211, 473384, 546406, 624464, 828422, 946768, 1092812, 1656844, 1834363, 2185624, 3313688, 3668726, 4371248, 6627376, 7337452, 12840541, 14674904, 25681082, 29349808, 51362164, 102724328, 205448656]

約数ペア:

[(1, 205448656), (2, 102724328), (4, 51362164), (7, 29349808), (8, 25681082), (14, 14674904), (16, 12840541), (28, 7337452), (31, 6627376), (47, 4371248), (56, 3668726), (62, 3313688), (94, 2185624), (112, 1834363), (124, 1656844), (188, 1092812), (217, 946768), (248, 828422), (329, 624464), (376, 546406), (434, 473384), (496, 414211), (658, 312232), (752, 273203), (868, 236692), (1259, 163184), (1316, 156116), (1457, 141008), (1736, 118346), (2518, 81592), (2632, 78058), (2914, 70504), (3472, 59173), (5036, 40796), (5264, 39029), (5828, 35252), (8813, 23312), (10072, 20398), (10199, 20144), (11656, 17626)]