80734668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13537}}^1$

素因数の和:13622

約数の個数: 48

約数和(自身を含む): 218340864

約数和(自身を除く): 137606196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 5964, 13537, 27074, 40611, 54148, 81222, 94759, 162444, 189518, 284277, 379036, 568554, 961127, 1137108, 1922254, 2883381, 3844508, 5766762, 6727889, 11533524, 13455778, 20183667, 26911556, 40367334, 80734668]

約数ペア:

[(1, 80734668), (2, 40367334), (3, 26911556), (4, 20183667), (6, 13455778), (7, 11533524), (12, 6727889), (14, 5766762), (21, 3844508), (28, 2883381), (42, 1922254), (71, 1137108), (84, 961127), (142, 568554), (213, 379036), (284, 284277), (426, 189518), (497, 162444), (852, 94759), (994, 81222), (1491, 54148), (1988, 40611), (2982, 27074), (5964, 13537)]