989800970

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1123}}^1\times {\mathrm{1663}}^1$

素因数の和:2846

約数の個数: 32

約数和(自身を含む): 1817966592

約数和(自身を除く): 828165622

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 1123, 1663, 2246, 3326, 5615, 8315, 11230, 16630, 59519, 88139, 119038, 176278, 297595, 440695, 595190, 881390, 1867549, 3735098, 9337745, 18675490, 98980097, 197960194, 494900485, 989800970]

約数ペア:

[(1, 989800970), (2, 494900485), (5, 197960194), (10, 98980097), (53, 18675490), (106, 9337745), (265, 3735098), (530, 1867549), (1123, 881390), (1663, 595190), (2246, 440695), (3326, 297595), (5615, 176278), (8315, 119038), (11230, 88139), (16630, 59519)]