129036128

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{991}}^1$

素因数の和:1327

約数の個数: 48

約数和(自身を含む): 274732416

約数和(自身を除く): 145696288

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 313, 416, 626, 991, 1252, 1982, 2504, 3964, 4069, 5008, 7928, 8138, 10016, 12883, 15856, 16276, 25766, 31712, 32552, 51532, 65104, 103064, 130208, 206128, 310183, 412256, 620366, 1240732, 2481464, 4032379, 4962928, 8064758, 9925856, 16129516, 32259032, 64518064, 129036128]

約数ペア:

[(1, 129036128), (2, 64518064), (4, 32259032), (8, 16129516), (13, 9925856), (16, 8064758), (26, 4962928), (32, 4032379), (52, 2481464), (104, 1240732), (208, 620366), (313, 412256), (416, 310183), (626, 206128), (991, 130208), (1252, 103064), (1982, 65104), (2504, 51532), (3964, 32552), (4069, 31712), (5008, 25766), (7928, 16276), (8138, 15856), (10016, 12883)]