388889684

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 715723008

約数和(自身を除く): 326833324

約数列:

[1, 2, 4, 37, 74, 97, 103, 148, 194, 206, 263, 388, 412, 526, 1052, 3589, 3811, 7178, 7622, 9731, 9991, 14356, 15244, 19462, 19982, 25511, 27089, 38924, 39964, 51022, 54178, 102044, 108356, 369667, 739334, 943907, 1002293, 1478668, 1887814, 2004586, 2627633, 3775628, 4009172, 5255266, 10510532, 97222421, 194444842, 388889684]

約数ペア:

[(1, 388889684), (2, 194444842), (4, 97222421), (37, 10510532), (74, 5255266), (97, 4009172), (103, 3775628), (148, 2627633), (194, 2004586), (206, 1887814), (263, 1478668), (388, 1002293), (412, 943907), (526, 739334), (1052, 369667), (3589, 108356), (3811, 102044), (7178, 54178), (7622, 51022), (9731, 39964), (9991, 38924), (14356, 27089), (15244, 25511), (19462, 19982)]