400256

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:126

約数の個数: 32

約数和(自身を含む): 826200

約数和(自身を除く): 425944

約数列:

[1, 2, 4, 8, 16, 32, 53, 59, 64, 106, 118, 128, 212, 236, 424, 472, 848, 944, 1696, 1888, 3127, 3392, 3776, 6254, 6784, 7552, 12508, 25016, 50032, 100064, 200128, 400256]

約数ペア:

[(1, 400256), (2, 200128), (4, 100064), (8, 50032), (16, 25016), (32, 12508), (53, 7552), (59, 6784), (64, 6254), (106, 3776), (118, 3392), (128, 3127), (212, 1888), (236, 1696), (424, 944), (472, 848)]