17777718

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:339

約数の個数: 80

約数和(自身を含む): 46452384

約数和(自身を除く): 28674666

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 61, 63, 81, 122, 126, 162, 183, 189, 257, 366, 378, 427, 514, 549, 567, 771, 854, 1098, 1134, 1281, 1542, 1647, 1799, 2313, 2562, 3294, 3598, 3843, 4626, 4941, 5397, 6939, 7686, 9882, 10794, 11529, 13878, 15677, 16191, 20817, 23058, 31354, 32382, 34587, 41634, 47031, 48573, 69174, 94062, 97146, 109739, 141093, 145719, 219478, 282186, 291438, 329217, 423279, 658434, 846558, 987651, 1269837, 1975302, 2539674, 2962953, 5925906, 8888859, 17777718]

約数ペア:

[(1, 17777718), (2, 8888859), (3, 5925906), (6, 2962953), (7, 2539674), (9, 1975302), (14, 1269837), (18, 987651), (21, 846558), (27, 658434), (42, 423279), (54, 329217), (61, 291438), (63, 282186), (81, 219478), (122, 145719), (126, 141093), (162, 109739), (183, 97146), (189, 94062), (257, 69174), (366, 48573), (378, 47031), (427, 41634), (514, 34587), (549, 32382), (567, 31354), (771, 23058), (854, 20817), (1098, 16191), (1134, 15677), (1281, 13878), (1542, 11529), (1647, 10794), (1799, 9882), (2313, 7686), (2562, 6939), (3294, 5397), (3598, 4941), (3843, 4626)]