66957380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3491}}^1$

素因数の和:3644

約数の個数: 48

約数和(自身を含む): 161917056

約数和(自身を除く): 94959676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3491, 3836, 4795, 6982, 9590, 13964, 17455, 19180, 24437, 34910, 48874, 69820, 97748, 122185, 244370, 478267, 488740, 956534, 1913068, 2391335, 3347869, 4782670, 6695738, 9565340, 13391476, 16739345, 33478690, 66957380]

約数ペア:

[(1, 66957380), (2, 33478690), (4, 16739345), (5, 13391476), (7, 9565340), (10, 6695738), (14, 4782670), (20, 3347869), (28, 2391335), (35, 1913068), (70, 956534), (137, 488740), (140, 478267), (274, 244370), (548, 122185), (685, 97748), (959, 69820), (1370, 48874), (1918, 34910), (2740, 24437), (3491, 19180), (3836, 17455), (4795, 13964), (6982, 9590)]