991368

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{281}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 3134430

約数和(自身を除く): 2143062

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 281, 294, 392, 441, 504, 562, 588, 843, 882, 1124, 1176, 1686, 1764, 1967, 2248, 2529, 3372, 3528, 3934, 5058, 5901, 6744, 7868, 10116, 11802, 13769, 15736, 17703, 20232, 23604, 27538, 35406, 41307, 47208, 55076, 70812, 82614, 110152, 123921, 141624, 165228, 247842, 330456, 495684, 991368]

約数ペア:

[(1, 991368), (2, 495684), (3, 330456), (4, 247842), (6, 165228), (7, 141624), (8, 123921), (9, 110152), (12, 82614), (14, 70812), (18, 55076), (21, 47208), (24, 41307), (28, 35406), (36, 27538), (42, 23604), (49, 20232), (56, 17703), (63, 15736), (72, 13769), (84, 11802), (98, 10116), (126, 7868), (147, 6744), (168, 5901), (196, 5058), (252, 3934), (281, 3528), (294, 3372), (392, 2529), (441, 2248), (504, 1967), (562, 1764), (588, 1686), (843, 1176), (882, 1124)]