267788286

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{661}}^1$

素因数の和:1057

約数の個数: 48

約数和(自身を含む): 591128928

約数和(自身を除く): 323340642

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 317, 426, 634, 639, 661, 951, 1278, 1322, 1902, 1983, 2853, 3966, 5706, 5949, 11898, 22507, 45014, 46931, 67521, 93862, 135042, 140793, 202563, 209537, 281586, 405126, 419074, 422379, 628611, 844758, 1257222, 1885833, 3771666, 14877127, 29754254, 44631381, 89262762, 133894143, 267788286]

約数ペア:

[(1, 267788286), (2, 133894143), (3, 89262762), (6, 44631381), (9, 29754254), (18, 14877127), (71, 3771666), (142, 1885833), (213, 1257222), (317, 844758), (426, 628611), (634, 422379), (639, 419074), (661, 405126), (951, 281586), (1278, 209537), (1322, 202563), (1902, 140793), (1983, 135042), (2853, 93862), (3966, 67521), (5706, 46931), (5949, 45014), (11898, 22507)]