31383534

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 77898240

約数和(自身を除く): 46514706

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 229, 251, 273, 458, 502, 546, 687, 753, 1374, 1506, 1603, 1757, 2977, 3206, 3263, 3514, 4809, 5271, 5954, 6526, 8931, 9618, 9789, 10542, 17862, 19578, 20839, 22841, 41678, 45682, 57479, 62517, 68523, 114958, 125034, 137046, 172437, 344874, 402353, 747227, 804706, 1207059, 1494454, 2241681, 2414118, 4483362, 5230589, 10461178, 15691767, 31383534]

約数ペア:

[(1, 31383534), (2, 15691767), (3, 10461178), (6, 5230589), (7, 4483362), (13, 2414118), (14, 2241681), (21, 1494454), (26, 1207059), (39, 804706), (42, 747227), (78, 402353), (91, 344874), (182, 172437), (229, 137046), (251, 125034), (273, 114958), (458, 68523), (502, 62517), (546, 57479), (687, 45682), (753, 41678), (1374, 22841), (1506, 20839), (1603, 19578), (1757, 17862), (2977, 10542), (3206, 9789), (3263, 9618), (3514, 8931), (4809, 6526), (5271, 5954)]