997672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 2063880

約数和(自身を除く): 1066208

約数列:

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

約数ペア:

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