197400064

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{12437}}^1$

素因数の和:12486

約数の個数: 40

約数和(自身を含む): 407170368

約数和(自身を除く): 209770304

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 12437, 15872, 24874, 49748, 99496, 198992, 385547, 397984, 771094, 795968, 1542188, 1591936, 3084376, 3183872, 6168752, 6367744, 12337504, 24675008, 49350016, 98700032, 197400064]

約数ペア:

[(1, 197400064), (2, 98700032), (4, 49350016), (8, 24675008), (16, 12337504), (31, 6367744), (32, 6168752), (62, 3183872), (64, 3084376), (124, 1591936), (128, 1542188), (248, 795968), (256, 771094), (496, 397984), (512, 385547), (992, 198992), (1984, 99496), (3968, 49748), (7936, 24874), (12437, 15872)]