87381490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{7951}}^1$

素因数の和:8122

約数の個数: 32

約数和(自身を含む): 180923904

約数和(自身を除く): 93542414

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 2198, 5495, 7951, 10990, 15902, 39755, 55657, 79510, 111314, 278285, 556570, 1248307, 2496614, 6241535, 8738149, 12483070, 17476298, 43690745, 87381490]

約数ペア:

[(1, 87381490), (2, 43690745), (5, 17476298), (7, 12483070), (10, 8738149), (14, 6241535), (35, 2496614), (70, 1248307), (157, 556570), (314, 278285), (785, 111314), (1099, 79510), (1570, 55657), (2198, 39755), (5495, 15902), (7951, 10990)]