81685368

素因数分解:

$2^3\times 3^3\times {\mathrm{79}}^1\times {\mathrm{4787}}^1$

素因数の和:4881

約数の個数: 64

約数和(自身を含む): 229824000

約数和(自身を除く): 148138632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 79, 108, 158, 216, 237, 316, 474, 632, 711, 948, 1422, 1896, 2133, 2844, 4266, 4787, 5688, 8532, 9574, 14361, 17064, 19148, 28722, 38296, 43083, 57444, 86166, 114888, 129249, 172332, 258498, 344664, 378173, 516996, 756346, 1033992, 1134519, 1512692, 2269038, 3025384, 3403557, 4538076, 6807114, 9076152, 10210671, 13614228, 20421342, 27228456, 40842684, 81685368]

約数ペア:

[(1, 81685368), (2, 40842684), (3, 27228456), (4, 20421342), (6, 13614228), (8, 10210671), (9, 9076152), (12, 6807114), (18, 4538076), (24, 3403557), (27, 3025384), (36, 2269038), (54, 1512692), (72, 1134519), (79, 1033992), (108, 756346), (158, 516996), (216, 378173), (237, 344664), (316, 258498), (474, 172332), (632, 129249), (711, 114888), (948, 86166), (1422, 57444), (1896, 43083), (2133, 38296), (2844, 28722), (4266, 19148), (4787, 17064), (5688, 14361), (8532, 9574)]