81104996

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{751}}^1$

素因数の和:817

約数の個数: 72

約数和(自身を含む): 180028800

約数和(自身を除く): 98923804

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 49, 58, 76, 98, 116, 133, 196, 203, 266, 406, 532, 551, 751, 812, 931, 1102, 1421, 1502, 1862, 2204, 2842, 3004, 3724, 3857, 5257, 5684, 7714, 10514, 14269, 15428, 21028, 21779, 26999, 28538, 36799, 43558, 53998, 57076, 73598, 87116, 99883, 107996, 147196, 152453, 199766, 304906, 399532, 413801, 609812, 699181, 827602, 1067171, 1398362, 1655204, 2134342, 2796724, 2896607, 4268684, 5793214, 11586428, 20276249, 40552498, 81104996]

約数ペア:

[(1, 81104996), (2, 40552498), (4, 20276249), (7, 11586428), (14, 5793214), (19, 4268684), (28, 2896607), (29, 2796724), (38, 2134342), (49, 1655204), (58, 1398362), (76, 1067171), (98, 827602), (116, 699181), (133, 609812), (196, 413801), (203, 399532), (266, 304906), (406, 199766), (532, 152453), (551, 147196), (751, 107996), (812, 99883), (931, 87116), (1102, 73598), (1421, 57076), (1502, 53998), (1862, 43558), (2204, 36799), (2842, 28538), (3004, 26999), (3724, 21779), (3857, 21028), (5257, 15428), (5684, 14269), (7714, 10514)]