1557968776

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:543

約数の個数: 128

約数和(自身を含む): 3714036480

約数和(自身を除く): 2156067704

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 86, 91, 104, 157, 172, 182, 301, 314, 317, 344, 364, 559, 602, 628, 634, 728, 1099, 1118, 1204, 1256, 1268, 2041, 2198, 2219, 2236, 2408, 2536, 3913, 4082, 4121, 4396, 4438, 4472, 6751, 7826, 8164, 8242, 8792, 8876, 13502, 13631, 14287, 15652, 16328, 16484, 17752, 27004, 27262, 28574, 28847, 31304, 32968, 47257, 49769, 54008, 54524, 57148, 57694, 87763, 94514, 95417, 99538, 109048, 114296, 115388, 175526, 177203, 189028, 190834, 199076, 230776, 348383, 351052, 354406, 378056, 381668, 398152, 614341, 646997, 696766, 702104, 708812, 763336, 1228682, 1240421, 1293994, 1393532, 1417624, 2140067, 2457364, 2480842, 2587988, 2787064, 4280134, 4528979, 4914728, 4961684, 5175976, 8560268, 9057958, 9923368, 14980469, 17120536, 18115916, 27820871, 29960938, 36231832, 55641742, 59921876, 111283484, 119843752, 194746097, 222566968, 389492194, 778984388, 1557968776]

約数ペア:

[(1, 1557968776), (2, 778984388), (4, 389492194), (7, 222566968), (8, 194746097), (13, 119843752), (14, 111283484), (26, 59921876), (28, 55641742), (43, 36231832), (52, 29960938), (56, 27820871), (86, 18115916), (91, 17120536), (104, 14980469), (157, 9923368), (172, 9057958), (182, 8560268), (301, 5175976), (314, 4961684), (317, 4914728), (344, 4528979), (364, 4280134), (559, 2787064), (602, 2587988), (628, 2480842), (634, 2457364), (728, 2140067), (1099, 1417624), (1118, 1393532), (1204, 1293994), (1256, 1240421), (1268, 1228682), (2041, 763336), (2198, 708812), (2219, 702104), (2236, 696766), (2408, 646997), (2536, 614341), (3913, 398152), (4082, 381668), (4121, 378056), (4396, 354406), (4438, 351052), (4472, 348383), (6751, 230776), (7826, 199076), (8164, 190834), (8242, 189028), (8792, 177203), (8876, 175526), (13502, 115388), (13631, 114296), (14287, 109048), (15652, 99538), (16328, 95417), (16484, 94514), (17752, 87763), (27004, 57694), (27262, 57148), (28574, 54524), (28847, 54008), (31304, 49769), (32968, 47257)]