142818478

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 251370000

約数和(自身を除く): 108551522

約数列:

[1, 2, 11, 19, 22, 38, 89, 121, 178, 209, 242, 349, 418, 698, 979, 1691, 1958, 2299, 3382, 3839, 4598, 6631, 7678, 10769, 13262, 18601, 21538, 31061, 37202, 42229, 62122, 72941, 84458, 145882, 204611, 341671, 409222, 590159, 683342, 802351, 1180318, 1604702, 3758381, 6491749, 7516762, 12983498, 71409239, 142818478]

約数ペア:

[(1, 142818478), (2, 71409239), (11, 12983498), (19, 7516762), (22, 6491749), (38, 3758381), (89, 1604702), (121, 1180318), (178, 802351), (209, 683342), (242, 590159), (349, 409222), (418, 341671), (698, 204611), (979, 145882), (1691, 84458), (1958, 72941), (2299, 62122), (3382, 42229), (3839, 37202), (4598, 31061), (6631, 21538), (7678, 18601), (10769, 13262)]