2784757456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{1867}}^1$

素因数の和:2060

約数の個数: 80

約数和(自身を含む): 5953868928

約数和(自身を除く): 3169111472

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 101, 104, 142, 202, 208, 284, 404, 568, 808, 923, 1136, 1313, 1616, 1846, 1867, 2626, 3692, 3734, 5252, 7171, 7384, 7468, 10504, 14342, 14768, 14936, 21008, 24271, 28684, 29872, 48542, 57368, 93223, 97084, 114736, 132557, 186446, 188567, 194168, 265114, 372892, 377134, 388336, 530228, 745784, 754268, 1060456, 1491568, 1508536, 1723241, 2120912, 2451371, 3017072, 3446482, 4902742, 6892964, 9805484, 13388257, 13785928, 19610968, 26776514, 27571856, 39221936, 53553028, 107106056, 174047341, 214212112, 348094682, 696189364, 1392378728, 2784757456]

約数ペア:

[(1, 2784757456), (2, 1392378728), (4, 696189364), (8, 348094682), (13, 214212112), (16, 174047341), (26, 107106056), (52, 53553028), (71, 39221936), (101, 27571856), (104, 26776514), (142, 19610968), (202, 13785928), (208, 13388257), (284, 9805484), (404, 6892964), (568, 4902742), (808, 3446482), (923, 3017072), (1136, 2451371), (1313, 2120912), (1616, 1723241), (1846, 1508536), (1867, 1491568), (2626, 1060456), (3692, 754268), (3734, 745784), (5252, 530228), (7171, 388336), (7384, 377134), (7468, 372892), (10504, 265114), (14342, 194168), (14768, 188567), (14936, 186446), (21008, 132557), (24271, 114736), (28684, 97084), (29872, 93223), (48542, 57368)]