1995344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 40

約数和(自身を含む): 4265352

約数和(自身を除く): 2270008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 181, 208, 212, 362, 424, 689, 724, 848, 1378, 1448, 2353, 2756, 2896, 4706, 5512, 9412, 9593, 11024, 18824, 19186, 37648, 38372, 76744, 124709, 153488, 249418, 498836, 997672, 1995344]

約数ペア:

[(1, 1995344), (2, 997672), (4, 498836), (8, 249418), (13, 153488), (16, 124709), (26, 76744), (52, 38372), (53, 37648), (104, 19186), (106, 18824), (181, 11024), (208, 9593), (212, 9412), (362, 5512), (424, 4706), (689, 2896), (724, 2756), (848, 2353), (1378, 1448)]