66251368

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{349}}^1\times {\mathrm{389}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 126945000

約数和(自身を除く): 60693632

約数列:

[1, 2, 4, 8, 61, 122, 244, 349, 389, 488, 698, 778, 1396, 1556, 2792, 3112, 21289, 23729, 42578, 47458, 85156, 94916, 135761, 170312, 189832, 271522, 543044, 1086088, 8281421, 16562842, 33125684, 66251368]

約数ペア:

[(1, 66251368), (2, 33125684), (4, 16562842), (8, 8281421), (61, 1086088), (122, 543044), (244, 271522), (349, 189832), (389, 170312), (488, 135761), (698, 94916), (778, 85156), (1396, 47458), (1556, 42578), (2792, 23729), (3112, 21289)]