998501185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2\times {\mathrm{281}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 1395128448

約数和(自身を除く): 396627263

約数列:

[1, 5, 11, 23, 53, 55, 115, 253, 265, 281, 583, 1219, 1265, 1405, 2809, 2915, 3091, 6095, 6463, 13409, 14045, 14893, 15455, 30899, 32315, 64607, 67045, 71093, 74465, 154495, 163823, 323035, 342539, 355465, 710677, 789329, 819115, 1712695, 3553385, 3767929, 3946645, 8682619, 18154567, 18839645, 43413095, 90772835, 199700237, 998501185]

約数ペア:

[(1, 998501185), (5, 199700237), (11, 90772835), (23, 43413095), (53, 18839645), (55, 18154567), (115, 8682619), (253, 3946645), (265, 3767929), (281, 3553385), (583, 1712695), (1219, 819115), (1265, 789329), (1405, 710677), (2809, 355465), (2915, 342539), (3091, 323035), (6095, 163823), (6463, 154495), (13409, 74465), (14045, 71093), (14893, 67045), (15455, 64607), (30899, 32315)]