78315678

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1193}}^1$

素因数の和:1729

約数の個数: 48

約数和(自身を含む): 194459616

約数和(自身を除く): 116143938

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 521, 1042, 1193, 1563, 2386, 3126, 3579, 3647, 4689, 7158, 7294, 8351, 9378, 10737, 10941, 16702, 21474, 21882, 25053, 32823, 50106, 65646, 75159, 150318, 621553, 1243106, 1864659, 3729318, 4350871, 5593977, 8701742, 11187954, 13052613, 26105226, 39157839, 78315678]

約数ペア:

[(1, 78315678), (2, 39157839), (3, 26105226), (6, 13052613), (7, 11187954), (9, 8701742), (14, 5593977), (18, 4350871), (21, 3729318), (42, 1864659), (63, 1243106), (126, 621553), (521, 150318), (1042, 75159), (1193, 65646), (1563, 50106), (2386, 32823), (3126, 25053), (3579, 21882), (3647, 21474), (4689, 16702), (7158, 10941), (7294, 10737), (8351, 9378)]