261824512

素因数分解:

$2^{13}\times {\mathrm{31}}^1\times {\mathrm{1031}}^1$

素因数の和:1088

約数の個数: 56

約数和(自身を含む): 541032192

約数和(自身を除く): 279207680

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1024, 1031, 1984, 2048, 2062, 3968, 4096, 4124, 7936, 8192, 8248, 15872, 16496, 31744, 31961, 32992, 63488, 63922, 65984, 126976, 127844, 131968, 253952, 255688, 263936, 511376, 527872, 1022752, 1055744, 2045504, 2111488, 4091008, 4222976, 8182016, 8445952, 16364032, 32728064, 65456128, 130912256, 261824512]

約数ペア:

[(1, 261824512), (2, 130912256), (4, 65456128), (8, 32728064), (16, 16364032), (31, 8445952), (32, 8182016), (62, 4222976), (64, 4091008), (124, 2111488), (128, 2045504), (248, 1055744), (256, 1022752), (496, 527872), (512, 511376), (992, 263936), (1024, 255688), (1031, 253952), (1984, 131968), (2048, 127844), (2062, 126976), (3968, 65984), (4096, 63922), (4124, 63488), (7936, 32992), (8192, 31961), (8248, 31744), (15872, 16496)]