989240128

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{1361}}^1$

素因数の和:1691

約数の個数: 56

約数和(自身を含む): 2019644424

約数和(自身を除く): 1030404296

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 277, 328, 554, 656, 1108, 1312, 1361, 2216, 2624, 2722, 4432, 5444, 8864, 10888, 11357, 17728, 21776, 22714, 43552, 45428, 55801, 87104, 90856, 111602, 181712, 223204, 363424, 376997, 446408, 726848, 753994, 892816, 1507988, 1785632, 3015976, 3571264, 6031952, 12063904, 15456877, 24127808, 30913754, 61827508, 123655016, 247310032, 494620064, 989240128]

約数ペア:

[(1, 989240128), (2, 494620064), (4, 247310032), (8, 123655016), (16, 61827508), (32, 30913754), (41, 24127808), (64, 15456877), (82, 12063904), (164, 6031952), (277, 3571264), (328, 3015976), (554, 1785632), (656, 1507988), (1108, 892816), (1312, 753994), (1361, 726848), (2216, 446408), (2624, 376997), (2722, 363424), (4432, 223204), (5444, 181712), (8864, 111602), (10888, 90856), (11357, 87104), (17728, 55801), (21776, 45428), (22714, 43552)]