161949952

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{20407}}^1$

素因数の和:20454

約数の個数: 36

約数和(自身を含む): 333711616

約数和(自身を除く): 171761664

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 20407, 40814, 81628, 163256, 326512, 632617, 653024, 1265234, 1306048, 2530468, 2612096, 5060936, 5224192, 10121872, 20243744, 40487488, 80974976, 161949952]

約数ペア:

[(1, 161949952), (2, 80974976), (4, 40487488), (8, 20243744), (16, 10121872), (31, 5224192), (32, 5060936), (62, 2612096), (64, 2530468), (124, 1306048), (128, 1265234), (248, 653024), (256, 632617), (496, 326512), (992, 163256), (1984, 81628), (3968, 40814), (7936, 20407)]