289427992

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{304021}}^1$

素因数の和:304051

約数の個数: 32

約数和(自身を含む): 656687520

約数和(自身を除く): 367259528

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 304021, 608042, 1216084, 2128147, 2432168, 4256294, 5168357, 8512588, 10336714, 17025176, 20673428, 36178499, 41346856, 72356998, 144713996, 289427992]

約数ペア:

[(1, 289427992), (2, 144713996), (4, 72356998), (7, 41346856), (8, 36178499), (14, 20673428), (17, 17025176), (28, 10336714), (34, 8512588), (56, 5168357), (68, 4256294), (119, 2432168), (136, 2128147), (238, 1216084), (476, 608042), (952, 304021)]