81827718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:174

約数の個数: 96

約数和(自身を含む): 205105920

約数和(自身を除く): 123278202

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 41, 42, 57, 61, 82, 114, 122, 123, 133, 183, 246, 266, 287, 366, 399, 427, 574, 779, 798, 854, 861, 1159, 1281, 1558, 1681, 1722, 2318, 2337, 2501, 2562, 3362, 3477, 4674, 5002, 5043, 5453, 6954, 7503, 8113, 10086, 10906, 11767, 15006, 16226, 16359, 17507, 23534, 24339, 31939, 32718, 35014, 35301, 47519, 48678, 52521, 63878, 70602, 95038, 95817, 102541, 105042, 142557, 191634, 205082, 223573, 285114, 307623, 332633, 447146, 615246, 665266, 670719, 717787, 997899, 1341438, 1435574, 1948279, 1995798, 2153361, 3896558, 4306722, 5844837, 11689674, 13637953, 27275906, 40913859, 81827718]

約数ペア:

[(1, 81827718), (2, 40913859), (3, 27275906), (6, 13637953), (7, 11689674), (14, 5844837), (19, 4306722), (21, 3896558), (38, 2153361), (41, 1995798), (42, 1948279), (57, 1435574), (61, 1341438), (82, 997899), (114, 717787), (122, 670719), (123, 665266), (133, 615246), (183, 447146), (246, 332633), (266, 307623), (287, 285114), (366, 223573), (399, 205082), (427, 191634), (574, 142557), (779, 105042), (798, 102541), (854, 95817), (861, 95038), (1159, 70602), (1281, 63878), (1558, 52521), (1681, 48678), (1722, 47519), (2318, 35301), (2337, 35014), (2501, 32718), (2562, 31939), (3362, 24339), (3477, 23534), (4674, 17507), (5002, 16359), (5043, 16226), (5453, 15006), (6954, 11767), (7503, 10906), (8113, 10086)]