253138004

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{571}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 516612096

約数和(自身を除く): 263474092

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 223, 284, 446, 497, 571, 892, 994, 1142, 1561, 1988, 2284, 3122, 3997, 6244, 7994, 15833, 15988, 31666, 40541, 63332, 81082, 110831, 127333, 162164, 221662, 254666, 283787, 443324, 509332, 567574, 891331, 1135148, 1782662, 3565324, 9040643, 18081286, 36162572, 63284501, 126569002, 253138004]

約数ペア:

[(1, 253138004), (2, 126569002), (4, 63284501), (7, 36162572), (14, 18081286), (28, 9040643), (71, 3565324), (142, 1782662), (223, 1135148), (284, 891331), (446, 567574), (497, 509332), (571, 443324), (892, 283787), (994, 254666), (1142, 221662), (1561, 162164), (1988, 127333), (2284, 110831), (3122, 81082), (3997, 63332), (6244, 40541), (7994, 31666), (15833, 15988)]