990091732

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{15667}}^1$

素因数の和:15776

約数の個数: 48

約数和(自身を含む): 2067173248

約数和(自身を除く): 1077081516

約数列:

[1, 2, 4, 7, 14, 28, 37, 61, 74, 122, 148, 244, 259, 427, 518, 854, 1036, 1708, 2257, 4514, 9028, 15667, 15799, 31334, 31598, 62668, 63196, 109669, 219338, 438676, 579679, 955687, 1159358, 1911374, 2318716, 3822748, 4057753, 6689809, 8115506, 13379618, 16231012, 26759236, 35360419, 70720838, 141441676, 247522933, 495045866, 990091732]

約数ペア:

[(1, 990091732), (2, 495045866), (4, 247522933), (7, 141441676), (14, 70720838), (28, 35360419), (37, 26759236), (61, 16231012), (74, 13379618), (122, 8115506), (148, 6689809), (244, 4057753), (259, 3822748), (427, 2318716), (518, 1911374), (854, 1159358), (1036, 955687), (1708, 579679), (2257, 438676), (4514, 219338), (9028, 109669), (15667, 63196), (15799, 62668), (31334, 31598)]