28780491224

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{188779}}^1$

素因数の和:188880

約数の個数: 64

約数和(自身を含む): 61164720000

約数和(自身を除く): 32384228776

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 59, 68, 76, 118, 136, 152, 236, 323, 472, 646, 1003, 1121, 1292, 2006, 2242, 2584, 4012, 4484, 8024, 8968, 19057, 38114, 76228, 152456, 188779, 377558, 755116, 1510232, 3209243, 3586801, 6418486, 7173602, 11137961, 12836972, 14347204, 22275922, 25673944, 28694408, 44551844, 60975617, 89103688, 121951234, 189345337, 211621259, 243902468, 378690674, 423242518, 487804936, 757381348, 846485036, 1514762696, 1692970072, 3597561403, 7195122806, 14390245612, 28780491224]

約数ペア:

[(1, 28780491224), (2, 14390245612), (4, 7195122806), (8, 3597561403), (17, 1692970072), (19, 1514762696), (34, 846485036), (38, 757381348), (59, 487804936), (68, 423242518), (76, 378690674), (118, 243902468), (136, 211621259), (152, 189345337), (236, 121951234), (323, 89103688), (472, 60975617), (646, 44551844), (1003, 28694408), (1121, 25673944), (1292, 22275922), (2006, 14347204), (2242, 12836972), (2584, 11137961), (4012, 7173602), (4484, 6418486), (8024, 3586801), (8968, 3209243), (19057, 1510232), (38114, 755116), (76228, 377558), (152456, 188779)]