81394688

素因数分解:

$2^{10}\times {\mathrm{101}}^1\times {\mathrm{787}}^1$

素因数の和:908

約数の個数: 44

約数和(自身を含む): 164529672

約数和(自身を除く): 83134984

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 256, 404, 512, 787, 808, 1024, 1574, 1616, 3148, 3232, 6296, 6464, 12592, 12928, 25184, 25856, 50368, 51712, 79487, 100736, 103424, 158974, 201472, 317948, 402944, 635896, 805888, 1271792, 2543584, 5087168, 10174336, 20348672, 40697344, 81394688]

約数ペア:

[(1, 81394688), (2, 40697344), (4, 20348672), (8, 10174336), (16, 5087168), (32, 2543584), (64, 1271792), (101, 805888), (128, 635896), (202, 402944), (256, 317948), (404, 201472), (512, 158974), (787, 103424), (808, 100736), (1024, 79487), (1574, 51712), (1616, 50368), (3148, 25856), (3232, 25184), (6296, 12928), (6464, 12592)]