212457544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1361}}^1$

素因数の和:1478

約数の個数: 64

約数和(自身を含む): 457632000

約数和(自身を除く): 245174456

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 79, 104, 152, 158, 247, 316, 494, 632, 988, 1027, 1361, 1501, 1976, 2054, 2722, 3002, 4108, 5444, 6004, 8216, 10888, 12008, 17693, 19513, 25859, 35386, 39026, 51718, 70772, 78052, 103436, 107519, 141544, 156104, 206872, 215038, 336167, 430076, 672334, 860152, 1344668, 1397747, 2042861, 2689336, 2795494, 4085722, 5590988, 8171444, 11181976, 16342888, 26557193, 53114386, 106228772, 212457544]

約数ペア:

[(1, 212457544), (2, 106228772), (4, 53114386), (8, 26557193), (13, 16342888), (19, 11181976), (26, 8171444), (38, 5590988), (52, 4085722), (76, 2795494), (79, 2689336), (104, 2042861), (152, 1397747), (158, 1344668), (247, 860152), (316, 672334), (494, 430076), (632, 336167), (988, 215038), (1027, 206872), (1361, 156104), (1501, 141544), (1976, 107519), (2054, 103436), (2722, 78052), (3002, 70772), (4108, 51718), (5444, 39026), (6004, 35386), (8216, 25859), (10888, 19513), (12008, 17693)]