278828969776

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{206447}}^1$

素因数の和:206882

約数の個数: 80

約数和(自身を含む): 638964817920

約数和(自身を除く): 360135848144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 389, 434, 496, 778, 868, 1556, 1736, 2723, 3112, 3472, 5446, 6224, 10892, 12059, 21784, 24118, 43568, 48236, 84413, 96472, 168826, 192944, 206447, 337652, 412894, 675304, 825788, 1350608, 1445129, 1651576, 2890258, 3303152, 5780516, 6399857, 11561032, 12799714, 23122064, 25599428, 44798999, 51198856, 80307883, 89597998, 102397712, 160615766, 179195996, 321231532, 358391992, 562155181, 642463064, 716783984, 1124310362, 1284926128, 2248620724, 2489544373, 4497241448, 4979088746, 8994482896, 9958177492, 17426810611, 19916354984, 34853621222, 39832709968, 69707242444, 139414484888, 278828969776]

約数ペア:

[(1, 278828969776), (2, 139414484888), (4, 69707242444), (7, 39832709968), (8, 34853621222), (14, 19916354984), (16, 17426810611), (28, 9958177492), (31, 8994482896), (56, 4979088746), (62, 4497241448), (112, 2489544373), (124, 2248620724), (217, 1284926128), (248, 1124310362), (389, 716783984), (434, 642463064), (496, 562155181), (778, 358391992), (868, 321231532), (1556, 179195996), (1736, 160615766), (2723, 102397712), (3112, 89597998), (3472, 80307883), (5446, 51198856), (6224, 44798999), (10892, 25599428), (12059, 23122064), (21784, 12799714), (24118, 11561032), (43568, 6399857), (48236, 5780516), (84413, 3303152), (96472, 2890258), (168826, 1651576), (192944, 1445129), (206447, 1350608), (337652, 825788), (412894, 675304)]