1985954984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{1861}}^1$

素因数の和:2242

約数の個数: 64

約数和(自身を含む): 4154196480

約数和(自身を除く): 2168241496

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 331, 403, 662, 806, 1324, 1612, 1861, 2648, 3224, 3722, 4303, 7444, 8606, 10261, 14888, 17212, 20522, 24193, 34424, 41044, 48386, 57691, 82088, 96772, 115382, 133393, 193544, 230764, 266786, 461528, 533572, 615991, 749983, 1067144, 1231982, 1499966, 2463964, 2999932, 4927928, 5999864, 8007883, 16015766, 19095721, 32031532, 38191442, 64063064, 76382884, 152765768, 248244373, 496488746, 992977492, 1985954984]

約数ペア:

[(1, 1985954984), (2, 992977492), (4, 496488746), (8, 248244373), (13, 152765768), (26, 76382884), (31, 64063064), (52, 38191442), (62, 32031532), (104, 19095721), (124, 16015766), (248, 8007883), (331, 5999864), (403, 4927928), (662, 2999932), (806, 2463964), (1324, 1499966), (1612, 1231982), (1861, 1067144), (2648, 749983), (3224, 615991), (3722, 533572), (4303, 461528), (7444, 266786), (8606, 230764), (10261, 193544), (14888, 133393), (17212, 115382), (20522, 96772), (24193, 82088), (34424, 57691), (41044, 48386)]