400000038

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{170503}}^1$

素因数の和:170548

約数の個数: 32

約数和(自身を含む): 883892736

約数和(自身を除く): 483892698

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 102, 138, 391, 782, 1173, 2346, 170503, 341006, 511509, 1023018, 2898551, 3921569, 5797102, 7843138, 8695653, 11764707, 17391306, 23529414, 66666673, 133333346, 200000019, 400000038]

約数ペア:

[(1, 400000038), (2, 200000019), (3, 133333346), (6, 66666673), (17, 23529414), (23, 17391306), (34, 11764707), (46, 8695653), (51, 7843138), (69, 5797102), (102, 3921569), (138, 2898551), (391, 1023018), (782, 511509), (1173, 341006), (2346, 170503)]