278640404

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{8737}}^1$

素因数の和:8832

約数の個数: 48

約数和(自身を含む): 598937472

約数和(自身を除く): 320297068

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 67, 68, 119, 134, 238, 268, 469, 476, 938, 1139, 1876, 2278, 4556, 7973, 8737, 15946, 17474, 31892, 34948, 61159, 122318, 148529, 244636, 297058, 585379, 594116, 1039703, 1170758, 2079406, 2341516, 4097653, 4158812, 8195306, 9951443, 16390612, 19902886, 39805772, 69660101, 139320202, 278640404]

約数ペア:

[(1, 278640404), (2, 139320202), (4, 69660101), (7, 39805772), (14, 19902886), (17, 16390612), (28, 9951443), (34, 8195306), (67, 4158812), (68, 4097653), (119, 2341516), (134, 2079406), (238, 1170758), (268, 1039703), (469, 594116), (476, 585379), (938, 297058), (1139, 244636), (1876, 148529), (2278, 122318), (4556, 61159), (7973, 34948), (8737, 31892), (15946, 17474)]