28321408

素因数分解:

$2^7\times {\mathrm{221261}}^1$

素因数の和:221275

約数の個数: 16

約数和(自身を含む): 56421810

約数和(自身を除く): 28100402

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 221261, 442522, 885044, 1770088, 3540176, 7080352, 14160704, 28321408]

約数ペア:

[(1, 28321408), (2, 14160704), (4, 7080352), (8, 3540176), (16, 1770088), (32, 885044), (64, 442522), (128, 221261)]