31019248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 69995520

約数和(自身を除く): 38976272

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 47, 52, 76, 94, 104, 152, 167, 188, 208, 247, 304, 334, 376, 494, 611, 668, 752, 893, 988, 1222, 1336, 1786, 1976, 2171, 2444, 2672, 3173, 3572, 3952, 4342, 4888, 6346, 7144, 7849, 8684, 9776, 11609, 12692, 14288, 15698, 17368, 23218, 25384, 31396, 34736, 41249, 46436, 50768, 62792, 82498, 92872, 102037, 125584, 149131, 164996, 185744, 204074, 298262, 329992, 408148, 596524, 659984, 816296, 1193048, 1632592, 1938703, 2386096, 3877406, 7754812, 15509624, 31019248]

約数ペア:

[(1, 31019248), (2, 15509624), (4, 7754812), (8, 3877406), (13, 2386096), (16, 1938703), (19, 1632592), (26, 1193048), (38, 816296), (47, 659984), (52, 596524), (76, 408148), (94, 329992), (104, 298262), (152, 204074), (167, 185744), (188, 164996), (208, 149131), (247, 125584), (304, 102037), (334, 92872), (376, 82498), (494, 62792), (611, 50768), (668, 46436), (752, 41249), (893, 34736), (988, 31396), (1222, 25384), (1336, 23218), (1786, 17368), (1976, 15698), (2171, 14288), (2444, 12692), (2672, 11609), (3173, 9776), (3572, 8684), (3952, 7849), (4342, 7144), (4888, 6346)]