318497478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{21157}}^1$

素因数の和:21368

約数の個数: 32

約数和(自身を含む): 689581536

約数和(自身を除く): 371084058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 193, 386, 579, 1158, 2509, 5018, 7527, 15054, 21157, 42314, 63471, 126942, 275041, 550082, 825123, 1650246, 4083301, 8166602, 12249903, 24499806, 53082913, 106165826, 159248739, 318497478]

約数ペア:

[(1, 318497478), (2, 159248739), (3, 106165826), (6, 53082913), (13, 24499806), (26, 12249903), (39, 8166602), (78, 4083301), (193, 1650246), (386, 825123), (579, 550082), (1158, 275041), (2509, 126942), (5018, 63471), (7527, 42314), (15054, 21157)]