66489904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{1091}}^1$

素因数の和:1405

約数の個数: 40

約数和(自身を含む): 139334832

約数和(自身を除く): 72844928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 293, 586, 1091, 1172, 2182, 2344, 3809, 4364, 4688, 7618, 8728, 14183, 15236, 17456, 28366, 30472, 56732, 60944, 113464, 226928, 319663, 639326, 1278652, 2557304, 4155619, 5114608, 8311238, 16622476, 33244952, 66489904]

約数ペア:

[(1, 66489904), (2, 33244952), (4, 16622476), (8, 8311238), (13, 5114608), (16, 4155619), (26, 2557304), (52, 1278652), (104, 639326), (208, 319663), (293, 226928), (586, 113464), (1091, 60944), (1172, 56732), (2182, 30472), (2344, 28366), (3809, 17456), (4364, 15236), (4688, 14183), (7618, 8728)]