634590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 1802736

約数和(自身を除く): 1168146

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 641, 990, 1282, 1923, 3205, 3846, 5769, 6410, 7051, 9615, 11538, 14102, 19230, 21153, 28845, 35255, 42306, 57690, 63459, 70510, 105765, 126918, 211530, 317295, 634590]

約数ペア:

[(1, 634590), (2, 317295), (3, 211530), (5, 126918), (6, 105765), (9, 70510), (10, 63459), (11, 57690), (15, 42306), (18, 35255), (22, 28845), (30, 21153), (33, 19230), (45, 14102), (55, 11538), (66, 9615), (90, 7051), (99, 6410), (110, 5769), (165, 3846), (198, 3205), (330, 1923), (495, 1282), (641, 990)]