15898019216

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{389}}^1\times {\mathrm{54347}}^1$

素因数の和:54791

約数の個数: 40

約数和(自身を含む): 31539231360

約数和(自身を除く): 15641212144

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 389, 752, 778, 1556, 3112, 6224, 18283, 36566, 54347, 73132, 108694, 146264, 217388, 292528, 434776, 869552, 2554309, 5108618, 10217236, 20434472, 21140983, 40868944, 42281966, 84563932, 169127864, 338255728, 993626201, 1987252402, 3974504804, 7949009608, 15898019216]

約数ペア:

[(1, 15898019216), (2, 7949009608), (4, 3974504804), (8, 1987252402), (16, 993626201), (47, 338255728), (94, 169127864), (188, 84563932), (376, 42281966), (389, 40868944), (752, 21140983), (778, 20434472), (1556, 10217236), (3112, 5108618), (6224, 2554309), (18283, 869552), (36566, 434776), (54347, 292528), (73132, 217388), (108694, 146264)]