25438966

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 45849600

約数和(自身を除く): 20410634

約数列:

[1, 2, 7, 14, 23, 46, 161, 199, 322, 397, 398, 794, 1393, 2779, 2786, 4577, 5558, 9131, 9154, 18262, 32039, 63917, 64078, 79003, 127834, 158006, 553021, 1106042, 1817069, 3634138, 12719483, 25438966]

約数ペア:

[(1, 25438966), (2, 12719483), (7, 3634138), (14, 1817069), (23, 1106042), (46, 553021), (161, 158006), (199, 127834), (322, 79003), (397, 64078), (398, 63917), (794, 32039), (1393, 18262), (2779, 9154), (2786, 9131), (4577, 5558)]