311344

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 40

約数和(自身を含む): 691920

約数和(自身を除く): 380576

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 61, 88, 116, 122, 176, 232, 244, 319, 464, 488, 638, 671, 976, 1276, 1342, 1769, 2552, 2684, 3538, 5104, 5368, 7076, 10736, 14152, 19459, 28304, 38918, 77836, 155672, 311344]

約数ペア:

[(1, 311344), (2, 155672), (4, 77836), (8, 38918), (11, 28304), (16, 19459), (22, 14152), (29, 10736), (44, 7076), (58, 5368), (61, 5104), (88, 3538), (116, 2684), (122, 2552), (176, 1769), (232, 1342), (244, 1276), (319, 976), (464, 671), (488, 638)]