81290538

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{22247}}^1$

素因数の和:22291

約数の個数: 48

約数和(自身を含む): 208241280

約数和(自身を除く): 126950742

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 3654, 22247, 44494, 66741, 133482, 155729, 200223, 311458, 400446, 467187, 645163, 934374, 1290326, 1401561, 1935489, 2803122, 3870978, 4516141, 5806467, 9032282, 11612934, 13548423, 27096846, 40645269, 81290538]

約数ペア:

[(1, 81290538), (2, 40645269), (3, 27096846), (6, 13548423), (7, 11612934), (9, 9032282), (14, 5806467), (18, 4516141), (21, 3870978), (29, 2803122), (42, 1935489), (58, 1401561), (63, 1290326), (87, 934374), (126, 645163), (174, 467187), (203, 400446), (261, 311458), (406, 200223), (522, 155729), (609, 133482), (1218, 66741), (1827, 44494), (3654, 22247)]