128432824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{72643}}^1$

素因数の和:72679

約数の個数: 32

約数和(自身を含む): 274594320

約数和(自身を除く): 146161496

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 72643, 145286, 290572, 581144, 944359, 1234931, 1888718, 2469862, 3777436, 4939724, 7554872, 9879448, 16054103, 32108206, 64216412, 128432824]

約数ペア:

[(1, 128432824), (2, 64216412), (4, 32108206), (8, 16054103), (13, 9879448), (17, 7554872), (26, 4939724), (34, 3777436), (52, 2469862), (68, 1888718), (104, 1234931), (136, 944359), (221, 581144), (442, 290572), (884, 145286), (1768, 72643)]