289975456

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{997}}^1$

素因数の和:1217

約数の個数: 48

約数和(自身を含む): 584728200

約数和(自身を除く): 294752744

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 149, 244, 298, 488, 596, 976, 997, 1192, 1952, 1994, 2384, 3988, 4768, 7976, 9089, 15952, 18178, 31904, 36356, 60817, 72712, 121634, 145424, 148553, 243268, 290848, 297106, 486536, 594212, 973072, 1188424, 1946144, 2376848, 4753696, 9061733, 18123466, 36246932, 72493864, 144987728, 289975456]

約数ペア:

[(1, 289975456), (2, 144987728), (4, 72493864), (8, 36246932), (16, 18123466), (32, 9061733), (61, 4753696), (122, 2376848), (149, 1946144), (244, 1188424), (298, 973072), (488, 594212), (596, 486536), (976, 297106), (997, 290848), (1192, 243268), (1952, 148553), (1994, 145424), (2384, 121634), (3988, 72712), (4768, 60817), (7976, 36356), (9089, 31904), (15952, 18178)]