28413490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5717}}^1$

素因数の和:5802

約数の個数: 32

約数和(自身を含む): 59284224

約数和(自身を除く): 30870734

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 5717, 11434, 28585, 40019, 57170, 80038, 200095, 400190, 405907, 811814, 2029535, 2841349, 4059070, 5682698, 14206745, 28413490]

約数ペア:

[(1, 28413490), (2, 14206745), (5, 5682698), (7, 4059070), (10, 2841349), (14, 2029535), (35, 811814), (70, 405907), (71, 400190), (142, 200095), (355, 80038), (497, 57170), (710, 40019), (994, 28585), (2485, 11434), (4970, 5717)]