72161278

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{4049}}^1$

素因数の和:4144

約数の個数: 32

約数和(自身を含む): 132192000

約数和(自身を除く): 60030722

約数列:

[1, 2, 7, 14, 19, 38, 67, 133, 134, 266, 469, 938, 1273, 2546, 4049, 8098, 8911, 17822, 28343, 56686, 76931, 153862, 271283, 538517, 542566, 1077034, 1898981, 3797962, 5154377, 10308754, 36080639, 72161278]

約数ペア:

[(1, 72161278), (2, 36080639), (7, 10308754), (14, 5154377), (19, 3797962), (38, 1898981), (67, 1077034), (133, 542566), (134, 538517), (266, 271283), (469, 153862), (938, 76931), (1273, 56686), (2546, 28343), (4049, 17822), (8098, 8911)]