28790788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{6221}}^1$

素因数の和:6327

約数の個数: 24

約数和(自身を含む): 54878040

約数和(自身を除く): 26087252

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 6221, 12442, 24884, 80873, 161746, 323492, 553669, 1107338, 2214676, 7197697, 14395394, 28790788]

約数ペア:

[(1, 28790788), (2, 14395394), (4, 7197697), (13, 2214676), (26, 1107338), (52, 553669), (89, 323492), (178, 161746), (356, 80873), (1157, 24884), (2314, 12442), (4628, 6221)]