397255705

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4937}}^1$

素因数の和:4990

約数の個数: 48

約数和(自身を含む): 630483840

約数和(自身を除く): 233228135

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 121, 133, 209, 385, 605, 665, 847, 1045, 1463, 2299, 4235, 4937, 7315, 11495, 16093, 24685, 34559, 54307, 80465, 93803, 172795, 271535, 380149, 469015, 597377, 656621, 1031833, 1900745, 2986885, 3283105, 4181639, 5159165, 7222831, 11350163, 20908195, 36114155, 56750815, 79451141, 397255705]

約数ペア:

[(1, 397255705), (5, 79451141), (7, 56750815), (11, 36114155), (19, 20908195), (35, 11350163), (55, 7222831), (77, 5159165), (95, 4181639), (121, 3283105), (133, 2986885), (209, 1900745), (385, 1031833), (605, 656621), (665, 597377), (847, 469015), (1045, 380149), (1463, 271535), (2299, 172795), (4235, 93803), (4937, 80465), (7315, 54307), (11495, 34559), (16093, 24685)]