67780916

素因数分解:

$2^2\times 7^3\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 139776000

約数和(自身を除く): 71995084

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 196, 254, 343, 389, 508, 686, 778, 889, 1372, 1556, 1778, 2723, 3556, 5446, 6223, 10892, 12446, 19061, 24892, 38122, 43561, 49403, 76244, 87122, 98806, 133427, 174244, 197612, 266854, 345821, 533708, 691642, 1383284, 2420747, 4841494, 9682988, 16945229, 33890458, 67780916]

約数ペア:

[(1, 67780916), (2, 33890458), (4, 16945229), (7, 9682988), (14, 4841494), (28, 2420747), (49, 1383284), (98, 691642), (127, 533708), (196, 345821), (254, 266854), (343, 197612), (389, 174244), (508, 133427), (686, 98806), (778, 87122), (889, 76244), (1372, 49403), (1556, 43561), (1778, 38122), (2723, 24892), (3556, 19061), (5446, 12446), (6223, 10892)]