256312966

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61231}}^1$

素因数の和:61276

約数の個数: 32

約数和(自身を含む): 493774848

約数和(自身を除く): 237461882

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 2093, 4186, 61231, 122462, 428617, 796003, 857234, 1408313, 1592006, 2816626, 5572021, 9858191, 11144042, 18308069, 19716382, 36616138, 128156483, 256312966]

約数ペア:

[(1, 256312966), (2, 128156483), (7, 36616138), (13, 19716382), (14, 18308069), (23, 11144042), (26, 9858191), (46, 5572021), (91, 2816626), (161, 1592006), (182, 1408313), (299, 857234), (322, 796003), (598, 428617), (2093, 122462), (4186, 61231)]