289426816

素因数分解:

$2^7\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1423}}^1$

素因数の和:1671

約数の個数: 64

約数和(自身を含む): 662330880

約数和(自身を除く): 372904064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 227, 448, 454, 896, 908, 1423, 1589, 1816, 2846, 3178, 3632, 5692, 6356, 7264, 9961, 11384, 12712, 14528, 19922, 22768, 25424, 29056, 39844, 45536, 50848, 79688, 91072, 101696, 159376, 182144, 203392, 318752, 323021, 637504, 646042, 1275008, 1292084, 2261147, 2584168, 4522294, 5168336, 9044588, 10336672, 18089176, 20673344, 36178352, 41346688, 72356704, 144713408, 289426816]

約数ペア:

[(1, 289426816), (2, 144713408), (4, 72356704), (7, 41346688), (8, 36178352), (14, 20673344), (16, 18089176), (28, 10336672), (32, 9044588), (56, 5168336), (64, 4522294), (112, 2584168), (128, 2261147), (224, 1292084), (227, 1275008), (448, 646042), (454, 637504), (896, 323021), (908, 318752), (1423, 203392), (1589, 182144), (1816, 159376), (2846, 101696), (3178, 91072), (3632, 79688), (5692, 50848), (6356, 45536), (7264, 39844), (9961, 29056), (11384, 25424), (12712, 22768), (14528, 19922)]