81681776

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1422

約数の個数: 60

約数和(自身を含む): 179696832

約数和(自身を除く): 98015056

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 121, 124, 176, 242, 248, 341, 484, 496, 682, 968, 1361, 1364, 1936, 2722, 2728, 3751, 5444, 5456, 7502, 10888, 14971, 15004, 21776, 29942, 30008, 42191, 59884, 60016, 84382, 119768, 164681, 168764, 239536, 329362, 337528, 464101, 658724, 675056, 928202, 1317448, 1856404, 2634896, 3712808, 5105111, 7425616, 10210222, 20420444, 40840888, 81681776]

約数ペア:

[(1, 81681776), (2, 40840888), (4, 20420444), (8, 10210222), (11, 7425616), (16, 5105111), (22, 3712808), (31, 2634896), (44, 1856404), (62, 1317448), (88, 928202), (121, 675056), (124, 658724), (176, 464101), (242, 337528), (248, 329362), (341, 239536), (484, 168764), (496, 164681), (682, 119768), (968, 84382), (1361, 60016), (1364, 59884), (1936, 42191), (2722, 30008), (2728, 29942), (3751, 21776), (5444, 15004), (5456, 14971), (7502, 10888)]