16402565

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 21897216

約数和(自身を除く): 5494651

約数列:

[1, 5, 23, 31, 43, 107, 115, 155, 215, 535, 713, 989, 1333, 2461, 3317, 3565, 4601, 4945, 6665, 12305, 16585, 23005, 30659, 76291, 105823, 142631, 153295, 381455, 529115, 713155, 3280513, 16402565]

約数ペア:

[(1, 16402565), (5, 3280513), (23, 713155), (31, 529115), (43, 381455), (107, 153295), (115, 142631), (155, 105823), (215, 76291), (535, 30659), (713, 23005), (989, 16585), (1333, 12305), (2461, 6665), (3317, 4945), (3565, 4601)]