209989598

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:482

約数の個数: 72

約数和(自身を含む): 410564160

約数和(自身を除く): 200574562

約数列:

[1, 2, 7, 13, 14, 26, 31, 49, 62, 91, 98, 169, 182, 217, 338, 403, 409, 434, 637, 806, 818, 1183, 1274, 1519, 2366, 2821, 2863, 3038, 5239, 5317, 5642, 5726, 8281, 10478, 10634, 12679, 16562, 19747, 20041, 25358, 36673, 37219, 39494, 40082, 69121, 73346, 74438, 88753, 138242, 164827, 177506, 256711, 260533, 329654, 483847, 513422, 521066, 621271, 967694, 1153789, 1242542, 2142751, 2307578, 3386929, 4285502, 6773858, 8076523, 14999257, 16153046, 29998514, 104994799, 209989598]

約数ペア:

[(1, 209989598), (2, 104994799), (7, 29998514), (13, 16153046), (14, 14999257), (26, 8076523), (31, 6773858), (49, 4285502), (62, 3386929), (91, 2307578), (98, 2142751), (169, 1242542), (182, 1153789), (217, 967694), (338, 621271), (403, 521066), (409, 513422), (434, 483847), (637, 329654), (806, 260533), (818, 256711), (1183, 177506), (1274, 164827), (1519, 138242), (2366, 88753), (2821, 74438), (2863, 73346), (3038, 69121), (5239, 40082), (5317, 39494), (5642, 37219), (5726, 36673), (8281, 25358), (10478, 20041), (10634, 19747), (12679, 16562)]