198216999808

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{253573}}^1$

素因数の和:253815

約数の個数: 64

約数和(自身を含む): 409694440320

約数和(自身を除く): 211477440512

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 197, 248, 394, 496, 788, 992, 1576, 1984, 3152, 3968, 6107, 6304, 12214, 12608, 24428, 25216, 48856, 97712, 195424, 253573, 390848, 507146, 781696, 1014292, 2028584, 4057168, 7860763, 8114336, 15721526, 16228672, 31443052, 32457344, 49953881, 62886104, 99907762, 125772208, 199815524, 251544416, 399631048, 503088832, 799262096, 1006177664, 1548570311, 1598524192, 3097140622, 3197048384, 6194281244, 6394096768, 12388562488, 24777124976, 49554249952, 99108499904, 198216999808]

約数ペア:

[(1, 198216999808), (2, 99108499904), (4, 49554249952), (8, 24777124976), (16, 12388562488), (31, 6394096768), (32, 6194281244), (62, 3197048384), (64, 3097140622), (124, 1598524192), (128, 1548570311), (197, 1006177664), (248, 799262096), (394, 503088832), (496, 399631048), (788, 251544416), (992, 199815524), (1576, 125772208), (1984, 99907762), (3152, 62886104), (3968, 49953881), (6107, 32457344), (6304, 31443052), (12214, 16228672), (12608, 15721526), (24428, 8114336), (25216, 7860763), (48856, 4057168), (97712, 2028584), (195424, 1014292), (253573, 781696), (390848, 507146)]