87875138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 145297152

約数和(自身を除く): 57422014

約数列:

[1, 2, 13, 26, 71, 142, 181, 263, 362, 526, 923, 1846, 2353, 3419, 4706, 6838, 12851, 18673, 25702, 37346, 47603, 95206, 167063, 242749, 334126, 485498, 618839, 1237678, 3379813, 6759626, 43937569, 87875138]

約数ペア:

[(1, 87875138), (2, 43937569), (13, 6759626), (26, 3379813), (71, 1237678), (142, 618839), (181, 485498), (263, 334126), (362, 242749), (526, 167063), (923, 95206), (1846, 47603), (2353, 37346), (3419, 25702), (4706, 18673), (6838, 12851)]