397538568

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{281}}^1\times {\mathrm{401}}^1$

素因数の和:708

約数の個数: 144

約数和(自身を含む): 1260040860

約数和(自身を除く): 862502292

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, 401, 441, 504, 562, 588, 802, 843, 882, 1124, 1176, 1203, 1604, 1686, 1764, 1967, 2248, 2406, 2529, 2807, 3208, 3372, 3528, 3609, 3934, 4812, 5058, 5614, 5901, 6744, 7218, 7868, 8421, 9624, 10116, 11228, 11802, 13769, 14436, 15736, 16842, 17703, 19649, 20232, 22456, 23604, 25263, 27538, 28872, 33684, 35406, 39298, 41307, 47208, 50526, 55076, 58947, 67368, 70812, 78596, 82614, 101052, 110152, 112681, 117894, 123921, 141624, 157192, 165228, 176841, 202104, 225362, 235788, 247842, 330456, 338043, 353682, 450724, 471576, 495684, 676086, 707364, 788767, 901448, 991368, 1014129, 1352172, 1414728, 1577534, 2028258, 2366301, 2704344, 3155068, 4056516, 4732602, 5521369, 6310136, 7098903, 8113032, 9465204, 11042738, 14197806, 16564107, 18930408, 22085476, 28395612, 33128214, 44170952, 49692321, 56791224, 66256428, 99384642, 132512856, 198769284, 397538568]

約数ペア:

[(1, 397538568), (2, 198769284), (3, 132512856), (4, 99384642), (6, 66256428), (7, 56791224), (8, 49692321), (9, 44170952), (12, 33128214), (14, 28395612), (18, 22085476), (21, 18930408), (24, 16564107), (28, 14197806), (36, 11042738), (42, 9465204), (49, 8113032), (56, 7098903), (63, 6310136), (72, 5521369), (84, 4732602), (98, 4056516), (126, 3155068), (147, 2704344), (168, 2366301), (196, 2028258), (252, 1577534), (281, 1414728), (294, 1352172), (392, 1014129), (401, 991368), (441, 901448), (504, 788767), (562, 707364), (588, 676086), (802, 495684), (843, 471576), (882, 450724), (1124, 353682), (1176, 338043), (1203, 330456), (1604, 247842), (1686, 235788), (1764, 225362), (1967, 202104), (2248, 176841), (2406, 165228), (2529, 157192), (2807, 141624), (3208, 123921), (3372, 117894), (3528, 112681), (3609, 110152), (3934, 101052), (4812, 82614), (5058, 78596), (5614, 70812), (5901, 67368), (6744, 58947), (7218, 55076), (7868, 50526), (8421, 47208), (9624, 41307), (10116, 39298), (11228, 35406), (11802, 33684), (13769, 28872), (14436, 27538), (15736, 25263), (16842, 23604), (17703, 22456), (19649, 20232)]