289408516

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 541094400

約数和(自身を除く): 251685884

約数列:

[1, 2, 4, 29, 47, 58, 94, 109, 116, 188, 218, 436, 487, 974, 1363, 1948, 2726, 3161, 5123, 5452, 6322, 10246, 12644, 14123, 20492, 22889, 28246, 45778, 53083, 56492, 91556, 106166, 148567, 212332, 297134, 594268, 663781, 1327562, 1539407, 2494901, 2655124, 3078814, 4989802, 6157628, 9979604, 72352129, 144704258, 289408516]

約数ペア:

[(1, 289408516), (2, 144704258), (4, 72352129), (29, 9979604), (47, 6157628), (58, 4989802), (94, 3078814), (109, 2655124), (116, 2494901), (188, 1539407), (218, 1327562), (436, 663781), (487, 594268), (974, 297134), (1363, 212332), (1948, 148567), (2726, 106166), (3161, 91556), (5123, 56492), (5452, 53083), (6322, 45778), (10246, 28246), (12644, 22889), (14123, 20492)]