388421785

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{229}}^1\times {\mathrm{353}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 485100360

約数和(自身を除く): 96678575

約数列:

[1, 5, 31, 155, 229, 353, 961, 1145, 1765, 4805, 7099, 10943, 35495, 54715, 80837, 220069, 339233, 404185, 1100345, 1696165, 2505947, 12529735, 77684357, 388421785]

約数ペア:

[(1, 388421785), (5, 77684357), (31, 12529735), (155, 2505947), (229, 1696165), (353, 1100345), (961, 404185), (1145, 339233), (1765, 220069), (4805, 80837), (7099, 54715), (10943, 35495)]