28128464

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19319}}^1$

素因数の和:19347

約数の個数: 40

約数和(自身を含む): 67079040

約数和(自身を除く): 38950576

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19319, 38638, 77276, 135233, 154552, 251147, 270466, 309104, 502294, 540932, 1004588, 1081864, 1758029, 2009176, 2163728, 3516058, 4018352, 7032116, 14064232, 28128464]

約数ペア:

[(1, 28128464), (2, 14064232), (4, 7032116), (7, 4018352), (8, 3516058), (13, 2163728), (14, 2009176), (16, 1758029), (26, 1081864), (28, 1004588), (52, 540932), (56, 502294), (91, 309104), (104, 270466), (112, 251147), (182, 154552), (208, 135233), (364, 77276), (728, 38638), (1456, 19319)]