289908052

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{145829}}^1$

素因数の和:145911

約数の個数: 24

約数和(自身を含む): 587986560

約数和(自身を除く): 298078508

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 145829, 291658, 583316, 1020803, 2041606, 4083212, 10353859, 20707718, 41415436, 72477013, 144954026, 289908052]

約数ペア:

[(1, 289908052), (2, 144954026), (4, 72477013), (7, 41415436), (14, 20707718), (28, 10353859), (71, 4083212), (142, 2041606), (284, 1020803), (497, 583316), (994, 291658), (1988, 145829)]