1261195504

素因数分解:

$2^4\times {\mathrm{43}}^2\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:662

約数の個数: 60

約数和(自身を含む): 2535105600

約数和(自身を除く): 1273910096

約数列:

[1, 2, 4, 8, 16, 43, 86, 89, 172, 178, 344, 356, 479, 688, 712, 958, 1424, 1849, 1916, 3698, 3827, 3832, 7396, 7654, 7664, 14792, 15308, 20597, 29584, 30616, 41194, 42631, 61232, 82388, 85262, 164561, 164776, 170524, 329122, 329552, 341048, 658244, 682096, 885671, 1316488, 1771342, 1833133, 2632976, 3542684, 3666266, 7085368, 7332532, 14170736, 14665064, 29330128, 78824719, 157649438, 315298876, 630597752, 1261195504]

約数ペア:

[(1, 1261195504), (2, 630597752), (4, 315298876), (8, 157649438), (16, 78824719), (43, 29330128), (86, 14665064), (89, 14170736), (172, 7332532), (178, 7085368), (344, 3666266), (356, 3542684), (479, 2632976), (688, 1833133), (712, 1771342), (958, 1316488), (1424, 885671), (1849, 682096), (1916, 658244), (3698, 341048), (3827, 329552), (3832, 329122), (7396, 170524), (7654, 164776), (7664, 164561), (14792, 85262), (15308, 82388), (20597, 61232), (29584, 42631), (30616, 41194)]