78413818

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 144198144

約数和(自身を除く): 65784326

約数列:

[1, 2, 7, 14, 31, 49, 53, 62, 98, 106, 217, 371, 434, 487, 742, 974, 1519, 1643, 2597, 3038, 3286, 3409, 5194, 6818, 11501, 15097, 23002, 23863, 25811, 30194, 47726, 51622, 80507, 105679, 161014, 180677, 211358, 361354, 739753, 800141, 1264739, 1479506, 1600282, 2529478, 5600987, 11201974, 39206909, 78413818]

約数ペア:

[(1, 78413818), (2, 39206909), (7, 11201974), (14, 5600987), (31, 2529478), (49, 1600282), (53, 1479506), (62, 1264739), (98, 800141), (106, 739753), (217, 361354), (371, 211358), (434, 180677), (487, 161014), (742, 105679), (974, 80507), (1519, 51622), (1643, 47726), (2597, 30194), (3038, 25811), (3286, 23863), (3409, 23002), (5194, 15097), (6818, 11501)]