402915238

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{509}}^1\times {\mathrm{3271}}^1$

素因数の和:3804

約数の個数: 24

約数和(自身を含む): 665819280

約数和(自身を除く): 262904042

約数列:

[1, 2, 11, 22, 121, 242, 509, 1018, 3271, 5599, 6542, 11198, 35981, 61589, 71962, 123178, 395791, 791582, 1664939, 3329878, 18314329, 36628658, 201457619, 402915238]

約数ペア:

[(1, 402915238), (2, 201457619), (11, 36628658), (22, 18314329), (121, 3329878), (242, 1664939), (509, 791582), (1018, 395791), (3271, 123178), (5599, 71962), (6542, 61589), (11198, 35981)]