638941804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{17053}}^1$

素因数の和:17122

約数の個数: 48

約数和(自身を含む): 1289282400

約数和(自身を除く): 650340596

約数列:

[1, 2, 4, 17, 19, 29, 34, 38, 58, 68, 76, 116, 323, 493, 551, 646, 986, 1102, 1292, 1972, 2204, 9367, 17053, 18734, 34106, 37468, 68212, 289901, 324007, 494537, 579802, 648014, 989074, 1159604, 1296028, 1978148, 5508119, 8407129, 9396203, 11016238, 16814258, 18792406, 22032476, 33628516, 37584812, 159735451, 319470902, 638941804]

約数ペア:

[(1, 638941804), (2, 319470902), (4, 159735451), (17, 37584812), (19, 33628516), (29, 22032476), (34, 18792406), (38, 16814258), (58, 11016238), (68, 9396203), (76, 8407129), (116, 5508119), (323, 1978148), (493, 1296028), (551, 1159604), (646, 989074), (986, 648014), (1102, 579802), (1292, 494537), (1972, 324007), (2204, 289901), (9367, 68212), (17053, 37468), (18734, 34106)]