261639614

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{2753}}^1$

素因数の和:2876

約数の個数: 32

約数和(自身を含む): 430284960

約数和(自身を除く): 168645346

約数列:

[1, 2, 19, 38, 41, 61, 82, 122, 779, 1159, 1558, 2318, 2501, 2753, 5002, 5506, 47519, 52307, 95038, 104614, 112873, 167933, 225746, 335866, 2144587, 3190727, 4289174, 6381454, 6885253, 13770506, 130819807, 261639614]

約数ペア:

[(1, 261639614), (2, 130819807), (19, 13770506), (38, 6885253), (41, 6381454), (61, 4289174), (82, 3190727), (122, 2144587), (779, 335866), (1159, 225746), (1558, 167933), (2318, 112873), (2501, 104614), (2753, 95038), (5002, 52307), (5506, 47519)]