64816892

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 133199808

約数和(自身を除く): 68382916

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 137, 244, 274, 277, 427, 548, 554, 854, 959, 1108, 1708, 1918, 1939, 3836, 3878, 7756, 8357, 16714, 16897, 33428, 33794, 37949, 58499, 67588, 75898, 116998, 118279, 151796, 233996, 236558, 265643, 473116, 531286, 1062572, 2314889, 4629778, 9259556, 16204223, 32408446, 64816892]

約数ペア:

[(1, 64816892), (2, 32408446), (4, 16204223), (7, 9259556), (14, 4629778), (28, 2314889), (61, 1062572), (122, 531286), (137, 473116), (244, 265643), (274, 236558), (277, 233996), (427, 151796), (548, 118279), (554, 116998), (854, 75898), (959, 67588), (1108, 58499), (1708, 37949), (1918, 33794), (1939, 33428), (3836, 16897), (3878, 16714), (7756, 8357)]