207940516

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 445858560

約数和(自身を除く): 237918044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 193, 196, 239, 322, 386, 478, 644, 772, 956, 1127, 1351, 1673, 2254, 2702, 3346, 4439, 4508, 5404, 5497, 6692, 8878, 9457, 10994, 11711, 17756, 18914, 21988, 23422, 31073, 37828, 38479, 46127, 46844, 62146, 76958, 92254, 124292, 153916, 184508, 217511, 269353, 322889, 435022, 538706, 645778, 870044, 1060921, 1077412, 1291556, 2121842, 2260223, 4243684, 4520446, 7426447, 9040892, 14852894, 29705788, 51985129, 103970258, 207940516]

約数ペア:

[(1, 207940516), (2, 103970258), (4, 51985129), (7, 29705788), (14, 14852894), (23, 9040892), (28, 7426447), (46, 4520446), (49, 4243684), (92, 2260223), (98, 2121842), (161, 1291556), (193, 1077412), (196, 1060921), (239, 870044), (322, 645778), (386, 538706), (478, 435022), (644, 322889), (772, 269353), (956, 217511), (1127, 184508), (1351, 153916), (1673, 124292), (2254, 92254), (2702, 76958), (3346, 62146), (4439, 46844), (4508, 46127), (5404, 38479), (5497, 37828), (6692, 31073), (8878, 23422), (9457, 21988), (10994, 18914), (11711, 17756)]