321655504

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1031}}^1$

素因数の和:1124

約数の個数: 80

約数和(自身を含む): 700240896

約数和(自身を除く): 378585392

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 37, 62, 68, 74, 124, 136, 148, 248, 272, 296, 496, 527, 592, 629, 1031, 1054, 1147, 1258, 2062, 2108, 2294, 2516, 4124, 4216, 4588, 5032, 8248, 8432, 9176, 10064, 16496, 17527, 18352, 19499, 31961, 35054, 38147, 38998, 63922, 70108, 76294, 77996, 127844, 140216, 152588, 155992, 255688, 280432, 305176, 311984, 511376, 543337, 610352, 648499, 1086674, 1182557, 1296998, 2173348, 2365114, 2593996, 4346696, 4730228, 5187992, 8693392, 9460456, 10375984, 18920912, 20103469, 40206938, 80413876, 160827752, 321655504]

約数ペア:

[(1, 321655504), (2, 160827752), (4, 80413876), (8, 40206938), (16, 20103469), (17, 18920912), (31, 10375984), (34, 9460456), (37, 8693392), (62, 5187992), (68, 4730228), (74, 4346696), (124, 2593996), (136, 2365114), (148, 2173348), (248, 1296998), (272, 1182557), (296, 1086674), (496, 648499), (527, 610352), (592, 543337), (629, 511376), (1031, 311984), (1054, 305176), (1147, 280432), (1258, 255688), (2062, 155992), (2108, 152588), (2294, 140216), (2516, 127844), (4124, 77996), (4216, 76294), (4588, 70108), (5032, 63922), (8248, 38998), (8432, 38147), (9176, 35054), (10064, 31961), (16496, 19499), (17527, 18352)]