39978848

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13729}}^1$

素因数の和:13759

約数の個数: 48

約数和(自身を含む): 96878880

約数和(自身を除く): 56900032

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 13729, 27458, 54916, 96103, 109832, 178477, 192206, 219664, 356954, 384412, 439328, 713908, 768824, 1249339, 1427816, 1537648, 2498678, 2855632, 3075296, 4997356, 5711264, 9994712, 19989424, 39978848]

約数ペア:

[(1, 39978848), (2, 19989424), (4, 9994712), (7, 5711264), (8, 4997356), (13, 3075296), (14, 2855632), (16, 2498678), (26, 1537648), (28, 1427816), (32, 1249339), (52, 768824), (56, 713908), (91, 439328), (104, 384412), (112, 356954), (182, 219664), (208, 192206), (224, 178477), (364, 109832), (416, 96103), (728, 54916), (1456, 27458), (2912, 13729)]