257244354

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{1559}}^1$

素因数の和:1759

約数の個数: 48

約数和(自身を含む): 569462400

約数和(自身を除く): 312218046

約数列:

[1, 2, 3, 6, 9, 18, 89, 103, 178, 206, 267, 309, 534, 618, 801, 927, 1559, 1602, 1854, 3118, 4677, 9167, 9354, 14031, 18334, 27501, 28062, 55002, 82503, 138751, 160577, 165006, 277502, 321154, 416253, 481731, 832506, 963462, 1248759, 1445193, 2497518, 2890386, 14291353, 28582706, 42874059, 85748118, 128622177, 257244354]

約数ペア:

[(1, 257244354), (2, 128622177), (3, 85748118), (6, 42874059), (9, 28582706), (18, 14291353), (89, 2890386), (103, 2497518), (178, 1445193), (206, 1248759), (267, 963462), (309, 832506), (534, 481731), (618, 416253), (801, 321154), (927, 277502), (1559, 165006), (1602, 160577), (1854, 138751), (3118, 82503), (4677, 55002), (9167, 28062), (9354, 27501), (14031, 18334)]