209086514

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 406425600

約数和(自身を除く): 197339086

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 199, 251, 299, 322, 398, 502, 598, 1393, 1757, 2093, 2587, 2786, 3263, 3514, 4186, 4577, 5174, 5773, 6526, 9154, 11546, 18109, 22841, 32039, 36218, 40411, 45682, 49949, 59501, 64078, 75049, 80822, 99898, 119002, 150098, 349643, 416507, 525343, 649337, 699286, 833014, 1050686, 1148827, 1298674, 2297654, 4545359, 8041789, 9090718, 14934751, 16083578, 29869502, 104543257, 209086514]

約数ペア:

[(1, 209086514), (2, 104543257), (7, 29869502), (13, 16083578), (14, 14934751), (23, 9090718), (26, 8041789), (46, 4545359), (91, 2297654), (161, 1298674), (182, 1148827), (199, 1050686), (251, 833014), (299, 699286), (322, 649337), (398, 525343), (502, 416507), (598, 349643), (1393, 150098), (1757, 119002), (2093, 99898), (2587, 80822), (2786, 75049), (3263, 64078), (3514, 59501), (4186, 49949), (4577, 45682), (5174, 40411), (5773, 36218), (6526, 32039), (9154, 22841), (11546, 18109)]