397770904

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{421}}^1\times {\mathrm{1327}}^1$

素因数の和:1843

約数の個数: 32

約数和(自身を含む): 756561600

約数和(自身を除く): 358790696

約数列:

[1, 2, 4, 8, 89, 178, 356, 421, 712, 842, 1327, 1684, 2654, 3368, 5308, 10616, 37469, 74938, 118103, 149876, 236206, 299752, 472412, 558667, 944824, 1117334, 2234668, 4469336, 49721363, 99442726, 198885452, 397770904]

約数ペア:

[(1, 397770904), (2, 198885452), (4, 99442726), (8, 49721363), (89, 4469336), (178, 2234668), (356, 1117334), (421, 944824), (712, 558667), (842, 472412), (1327, 299752), (1684, 236206), (2654, 149876), (3368, 118103), (5308, 74938), (10616, 37469)]