131231488

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{12503}}^1$

素因数の和:12560

約数の個数: 36

約数和(自身を含む): 268360848

約数和(自身を除く): 137129360

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 656, 1312, 2624, 5248, 10496, 12503, 25006, 50012, 100024, 200048, 400096, 512623, 800192, 1025246, 1600384, 2050492, 3200768, 4100984, 8201968, 16403936, 32807872, 65615744, 131231488]

約数ペア:

[(1, 131231488), (2, 65615744), (4, 32807872), (8, 16403936), (16, 8201968), (32, 4100984), (41, 3200768), (64, 2050492), (82, 1600384), (128, 1025246), (164, 800192), (256, 512623), (328, 400096), (656, 200048), (1312, 100024), (2624, 50012), (5248, 25006), (10496, 12503)]