81108468

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{367}}^1\times {\mathrm{877}}^1$

素因数の和:1261

約数の個数: 72

約数和(自身を含む): 235219712

約数和(自身を除く): 154111244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 367, 734, 877, 1101, 1468, 1754, 2202, 2569, 2631, 3303, 3508, 4404, 5138, 5262, 6139, 6606, 7707, 7893, 10276, 10524, 12278, 13212, 15414, 15786, 18417, 23121, 24556, 30828, 31572, 36834, 46242, 55251, 73668, 92484, 110502, 221004, 321859, 643718, 965577, 1287436, 1931154, 2253013, 2896731, 3862308, 4506026, 5793462, 6759039, 9012052, 11586924, 13518078, 20277117, 27036156, 40554234, 81108468]

約数ペア:

[(1, 81108468), (2, 40554234), (3, 27036156), (4, 20277117), (6, 13518078), (7, 11586924), (9, 9012052), (12, 6759039), (14, 5793462), (18, 4506026), (21, 3862308), (28, 2896731), (36, 2253013), (42, 1931154), (63, 1287436), (84, 965577), (126, 643718), (252, 321859), (367, 221004), (734, 110502), (877, 92484), (1101, 73668), (1468, 55251), (1754, 46242), (2202, 36834), (2569, 31572), (2631, 30828), (3303, 24556), (3508, 23121), (4404, 18417), (5138, 15786), (5262, 15414), (6139, 13212), (6606, 12278), (7707, 10524), (7893, 10276)]