25779156

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{643}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 65131584

約数和(自身を除く): 39352428

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 257, 514, 643, 771, 1028, 1286, 1542, 1929, 2572, 3084, 3341, 3858, 6682, 7716, 8359, 10023, 13364, 16718, 20046, 25077, 33436, 40092, 50154, 100308, 165251, 330502, 495753, 661004, 991506, 1983012, 2148263, 4296526, 6444789, 8593052, 12889578, 25779156]

約数ペア:

[(1, 25779156), (2, 12889578), (3, 8593052), (4, 6444789), (6, 4296526), (12, 2148263), (13, 1983012), (26, 991506), (39, 661004), (52, 495753), (78, 330502), (156, 165251), (257, 100308), (514, 50154), (643, 40092), (771, 33436), (1028, 25077), (1286, 20046), (1542, 16718), (1929, 13364), (2572, 10023), (3084, 8359), (3341, 7716), (3858, 6682)]