161528744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{8581}}^1$

素因数の和:8781

約数の個数: 32

約数和(自身を含む): 328004040

約数和(自身を除く): 166475296

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181, 362, 724, 1448, 2353, 4706, 8581, 9412, 17162, 18824, 34324, 68648, 111553, 223106, 446212, 892424, 1553161, 3106322, 6212644, 12425288, 20191093, 40382186, 80764372, 161528744]

約数ペア:

[(1, 161528744), (2, 80764372), (4, 40382186), (8, 20191093), (13, 12425288), (26, 6212644), (52, 3106322), (104, 1553161), (181, 892424), (362, 446212), (724, 223106), (1448, 111553), (2353, 68648), (4706, 34324), (8581, 18824), (9412, 17162)]