66681944

素因数分解:

$2^3\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1325

約数の個数: 64

約数和(自身を含む): 153600000

約数和(自身を除く): 86918056

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 343, 392, 532, 686, 931, 1064, 1279, 1372, 1862, 2558, 2744, 3724, 5116, 6517, 7448, 8953, 10232, 13034, 17906, 24301, 26068, 35812, 48602, 52136, 62671, 71624, 97204, 125342, 170107, 194408, 250684, 340214, 438697, 501368, 680428, 877394, 1190749, 1360856, 1754788, 2381498, 3509576, 4762996, 8335243, 9525992, 16670486, 33340972, 66681944]

約数ペア:

[(1, 66681944), (2, 33340972), (4, 16670486), (7, 9525992), (8, 8335243), (14, 4762996), (19, 3509576), (28, 2381498), (38, 1754788), (49, 1360856), (56, 1190749), (76, 877394), (98, 680428), (133, 501368), (152, 438697), (196, 340214), (266, 250684), (343, 194408), (392, 170107), (532, 125342), (686, 97204), (931, 71624), (1064, 62671), (1279, 52136), (1372, 48602), (1862, 35812), (2558, 26068), (2744, 24301), (3724, 17906), (5116, 13034), (6517, 10232), (7448, 8953)]