209318886

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{3251}}^1$

素因数の和:3346

約数の個数: 72

約数和(自身を含む): 534960504

約数和(自身を除く): 325641618

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 73, 98, 126, 146, 147, 219, 294, 438, 441, 511, 657, 882, 1022, 1314, 1533, 3066, 3251, 3577, 4599, 6502, 7154, 9198, 9753, 10731, 19506, 21462, 22757, 29259, 32193, 45514, 58518, 64386, 68271, 136542, 159299, 204813, 237323, 318598, 409626, 474646, 477897, 711969, 955794, 1423938, 1433691, 1661261, 2135907, 2867382, 3322522, 4271814, 4983783, 9967566, 11628827, 14951349, 23257654, 29902698, 34886481, 69772962, 104659443, 209318886]

約数ペア:

[(1, 209318886), (2, 104659443), (3, 69772962), (6, 34886481), (7, 29902698), (9, 23257654), (14, 14951349), (18, 11628827), (21, 9967566), (42, 4983783), (49, 4271814), (63, 3322522), (73, 2867382), (98, 2135907), (126, 1661261), (146, 1433691), (147, 1423938), (219, 955794), (294, 711969), (438, 477897), (441, 474646), (511, 409626), (657, 318598), (882, 237323), (1022, 204813), (1314, 159299), (1533, 136542), (3066, 68271), (3251, 64386), (3577, 58518), (4599, 45514), (6502, 32193), (7154, 29259), (9198, 22757), (9753, 21462), (10731, 19506)]