31486910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4943}}^1$

素因数の和:4977

約数の個数: 48

約数和(自身を含む): 71015616

約数和(自身を除く): 39528706

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 4943, 6370, 9886, 24715, 34601, 49430, 64259, 69202, 128518, 173005, 242207, 321295, 346010, 449813, 484414, 642590, 899626, 1211035, 2249065, 2422070, 3148691, 4498130, 6297382, 15743455, 31486910]

約数ペア:

[(1, 31486910), (2, 15743455), (5, 6297382), (7, 4498130), (10, 3148691), (13, 2422070), (14, 2249065), (26, 1211035), (35, 899626), (49, 642590), (65, 484414), (70, 449813), (91, 346010), (98, 321295), (130, 242207), (182, 173005), (245, 128518), (455, 69202), (490, 64259), (637, 49430), (910, 34601), (1274, 24715), (3185, 9886), (4943, 6370)]