138151384

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{20731}}^1$

素因数の和:20768

約数の個数: 48

約数和(自身を含む): 319065480

約数和(自身を除く): 180914096

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 392, 476, 833, 952, 1666, 3332, 6664, 20731, 41462, 82924, 145117, 165848, 290234, 352427, 580468, 704854, 1015819, 1160936, 1409708, 2031638, 2466989, 2819416, 4063276, 4933978, 8126552, 9867956, 17268923, 19735912, 34537846, 69075692, 138151384]

約数ペア:

[(1, 138151384), (2, 69075692), (4, 34537846), (7, 19735912), (8, 17268923), (14, 9867956), (17, 8126552), (28, 4933978), (34, 4063276), (49, 2819416), (56, 2466989), (68, 2031638), (98, 1409708), (119, 1160936), (136, 1015819), (196, 704854), (238, 580468), (392, 352427), (476, 290234), (833, 165848), (952, 145117), (1666, 82924), (3332, 41462), (6664, 20731)]