505881808

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{1543}}^1$

素因数の和:2243

約数の個数: 40

約数和(自身を含む): 1013950976

約数和(自身を除く): 508069168

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 661, 1322, 1543, 2644, 3086, 5288, 6172, 10576, 12344, 20491, 24688, 40982, 47833, 81964, 95666, 163928, 191332, 327856, 382664, 765328, 1019923, 2039846, 4079692, 8159384, 16318768, 31617613, 63235226, 126470452, 252940904, 505881808]

約数ペア:

[(1, 505881808), (2, 252940904), (4, 126470452), (8, 63235226), (16, 31617613), (31, 16318768), (62, 8159384), (124, 4079692), (248, 2039846), (496, 1019923), (661, 765328), (1322, 382664), (1543, 327856), (2644, 191332), (3086, 163928), (5288, 95666), (6172, 81964), (10576, 47833), (12344, 40982), (20491, 24688)]