209509398

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{8191}}^1$

素因数の和:8242

約数の個数: 72

約数和(自身を含む): 546324480

約数和(自身を除く): 336815082

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 49, 58, 63, 87, 98, 126, 147, 174, 203, 261, 294, 406, 441, 522, 609, 882, 1218, 1421, 1827, 2842, 3654, 4263, 8191, 8526, 12789, 16382, 24573, 25578, 49146, 57337, 73719, 114674, 147438, 172011, 237539, 344022, 401359, 475078, 516033, 712617, 802718, 1032066, 1204077, 1425234, 1662773, 2137851, 2408154, 3325546, 3612231, 4275702, 4988319, 7224462, 9976638, 11639411, 14964957, 23278822, 29929914, 34918233, 69836466, 104754699, 209509398]

約数ペア:

[(1, 209509398), (2, 104754699), (3, 69836466), (6, 34918233), (7, 29929914), (9, 23278822), (14, 14964957), (18, 11639411), (21, 9976638), (29, 7224462), (42, 4988319), (49, 4275702), (58, 3612231), (63, 3325546), (87, 2408154), (98, 2137851), (126, 1662773), (147, 1425234), (174, 1204077), (203, 1032066), (261, 802718), (294, 712617), (406, 516033), (441, 475078), (522, 401359), (609, 344022), (882, 237539), (1218, 172011), (1421, 147438), (1827, 114674), (2842, 73719), (3654, 57337), (4263, 49146), (8191, 25578), (8526, 24573), (12789, 16382)]