209213504768

素因数分解:

$2^8\times {\mathrm{109}}^1\times {\mathrm{2357}}^1\times {\mathrm{3181}}^1$

素因数の和:5663

約数の個数: 72

約数和(自身を含む): 421752398760

約数和(自身を除く): 212538893992

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 256, 436, 872, 1744, 2357, 3181, 3488, 4714, 6362, 6976, 9428, 12724, 13952, 18856, 25448, 27904, 37712, 50896, 75424, 101792, 150848, 203584, 256913, 301696, 346729, 407168, 513826, 603392, 693458, 814336, 1027652, 1386916, 2055304, 2773832, 4110608, 5547664, 7497617, 8221216, 11095328, 14995234, 16442432, 22190656, 29990468, 32884864, 44381312, 59980936, 65769728, 88762624, 119961872, 239923744, 479847488, 817240253, 959694976, 1634480506, 1919389952, 3268961012, 6537922024, 13075844048, 26151688096, 52303376192, 104606752384, 209213504768]

約数ペア:

[(1, 209213504768), (2, 104606752384), (4, 52303376192), (8, 26151688096), (16, 13075844048), (32, 6537922024), (64, 3268961012), (109, 1919389952), (128, 1634480506), (218, 959694976), (256, 817240253), (436, 479847488), (872, 239923744), (1744, 119961872), (2357, 88762624), (3181, 65769728), (3488, 59980936), (4714, 44381312), (6362, 32884864), (6976, 29990468), (9428, 22190656), (12724, 16442432), (13952, 14995234), (18856, 11095328), (25448, 8221216), (27904, 7497617), (37712, 5547664), (50896, 4110608), (75424, 2773832), (101792, 2055304), (150848, 1386916), (203584, 1027652), (256913, 814336), (301696, 693458), (346729, 603392), (407168, 513826)]