28578683

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 36569088

約数和(自身を除く): 7990405

約数列:

[1, 7, 17, 31, 61, 119, 127, 217, 427, 527, 889, 1037, 1891, 2159, 3689, 3937, 7259, 7747, 13237, 15113, 27559, 32147, 54229, 66929, 131699, 225029, 240157, 468503, 921893, 1681099, 4082669, 28578683]

約数ペア:

[(1, 28578683), (7, 4082669), (17, 1681099), (31, 921893), (61, 468503), (119, 240157), (127, 225029), (217, 131699), (427, 66929), (527, 54229), (889, 32147), (1037, 27559), (1891, 15113), (2159, 13237), (3689, 7747), (3937, 7259)]