261567196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{1069}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 513394560

約数和(自身を除く): 251827364

約数列:

[1, 2, 4, 11, 22, 44, 67, 83, 134, 166, 268, 332, 737, 913, 1069, 1474, 1826, 2138, 2948, 3652, 4276, 5561, 11122, 11759, 22244, 23518, 47036, 61171, 71623, 88727, 122342, 143246, 177454, 244684, 286492, 354908, 787853, 975997, 1575706, 1951994, 3151412, 3903988, 5944709, 11889418, 23778836, 65391799, 130783598, 261567196]

約数ペア:

[(1, 261567196), (2, 130783598), (4, 65391799), (11, 23778836), (22, 11889418), (44, 5944709), (67, 3903988), (83, 3151412), (134, 1951994), (166, 1575706), (268, 975997), (332, 787853), (737, 354908), (913, 286492), (1069, 244684), (1474, 177454), (1826, 143246), (2138, 122342), (2948, 88727), (3652, 71623), (4276, 61171), (5561, 47036), (11122, 23518), (11759, 22244)]