181781964

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7927}}^1$

素因数の和:7964

約数の個数: 108

約数和(自身を含む): 575715504

約数和(自身を除く): 393933540

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 182, 196, 234, 252, 273, 294, 364, 441, 468, 546, 588, 637, 819, 882, 1092, 1274, 1638, 1764, 1911, 2548, 3276, 3822, 5733, 7644, 7927, 11466, 15854, 22932, 23781, 31708, 47562, 55489, 71343, 95124, 103051, 110978, 142686, 166467, 206102, 221956, 285372, 309153, 332934, 388423, 412204, 499401, 618306, 665868, 721357, 776846, 927459, 998802, 1165269, 1236612, 1442714, 1553692, 1854918, 1997604, 2164071, 2330538, 2885428, 3495807, 3709836, 4328142, 4661076, 5049499, 6492213, 6991614, 8656284, 10098998, 12984426, 13983228, 15148497, 20197996, 25968852, 30296994, 45445491, 60593988, 90890982, 181781964]

約数ペア:

[(1, 181781964), (2, 90890982), (3, 60593988), (4, 45445491), (6, 30296994), (7, 25968852), (9, 20197996), (12, 15148497), (13, 13983228), (14, 12984426), (18, 10098998), (21, 8656284), (26, 6991614), (28, 6492213), (36, 5049499), (39, 4661076), (42, 4328142), (49, 3709836), (52, 3495807), (63, 2885428), (78, 2330538), (84, 2164071), (91, 1997604), (98, 1854918), (117, 1553692), (126, 1442714), (147, 1236612), (156, 1165269), (182, 998802), (196, 927459), (234, 776846), (252, 721357), (273, 665868), (294, 618306), (364, 499401), (441, 412204), (468, 388423), (546, 332934), (588, 309153), (637, 285372), (819, 221956), (882, 206102), (1092, 166467), (1274, 142686), (1638, 110978), (1764, 103051), (1911, 95124), (2548, 71343), (3276, 55489), (3822, 47562), (5733, 31708), (7644, 23781), (7927, 22932), (11466, 15854)]