28210005590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{353}}^1\times {\mathrm{47287}}^1$

素因数の和:47673

約数の個数: 48

約数和(自身を含む): 55141401888

約数和(自身を除く): 26931396298

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 353, 706, 845, 1690, 1765, 3530, 4589, 9178, 22945, 45890, 47287, 59657, 94574, 119314, 236435, 298285, 472870, 596570, 614731, 1229462, 3073655, 6147310, 7991503, 15983006, 16692311, 33384622, 39957515, 79915030, 83461555, 166923110, 217000043, 434000086, 1085000215, 2170000430, 2821000559, 5642001118, 14105002795, 28210005590]

約数ペア:

[(1, 28210005590), (2, 14105002795), (5, 5642001118), (10, 2821000559), (13, 2170000430), (26, 1085000215), (65, 434000086), (130, 217000043), (169, 166923110), (338, 83461555), (353, 79915030), (706, 39957515), (845, 33384622), (1690, 16692311), (1765, 15983006), (3530, 7991503), (4589, 6147310), (9178, 3073655), (22945, 1229462), (45890, 614731), (47287, 596570), (59657, 472870), (94574, 298285), (119314, 236435)]