28911116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{6247}}^1$

素因数の和:6353

約数の個数: 24

約数和(自身を含む): 55107360

約数和(自身を除く): 26196244

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 6247, 12494, 24988, 81211, 162422, 324844, 555983, 1111966, 2223932, 7227779, 14455558, 28911116]

約数ペア:

[(1, 28911116), (2, 14455558), (4, 7227779), (13, 2223932), (26, 1111966), (52, 555983), (89, 324844), (178, 162422), (356, 81211), (1157, 24988), (2314, 12494), (4628, 6247)]