81353748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15877}}^1$

素因数の和:15952

約数の個数: 48

約数和(自身を含む): 220513664

約数和(自身を除く): 139159916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2562, 5124, 15877, 31754, 47631, 63508, 95262, 111139, 190524, 222278, 333417, 444556, 666834, 968497, 1333668, 1936994, 2905491, 3873988, 5810982, 6779479, 11621964, 13558958, 20338437, 27117916, 40676874, 81353748]

約数ペア:

[(1, 81353748), (2, 40676874), (3, 27117916), (4, 20338437), (6, 13558958), (7, 11621964), (12, 6779479), (14, 5810982), (21, 3873988), (28, 2905491), (42, 1936994), (61, 1333668), (84, 968497), (122, 666834), (183, 444556), (244, 333417), (366, 222278), (427, 190524), (732, 111139), (854, 95262), (1281, 63508), (1708, 47631), (2562, 31754), (5124, 15877)]