201418945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2971}}^1$

素因数の和:3145

約数の個数: 32

約数和(自身を含む): 299577600

約数和(自身を除く): 98158655

約数列:

[1, 5, 7, 13, 35, 65, 91, 149, 455, 745, 1043, 1937, 2971, 5215, 9685, 13559, 14855, 20797, 38623, 67795, 103985, 193115, 270361, 442679, 1351805, 2213395, 3098753, 5754827, 15493765, 28774135, 40283789, 201418945]

約数ペア:

[(1, 201418945), (5, 40283789), (7, 28774135), (13, 15493765), (35, 5754827), (65, 3098753), (91, 2213395), (149, 1351805), (455, 442679), (745, 270361), (1043, 193115), (1937, 103985), (2971, 67795), (5215, 38623), (9685, 20797), (13559, 14855)]