123235978

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:582

約数の個数: 32

約数和(自身を含む): 198132480

約数和(自身を除く): 74896502

約数列:

[1, 2, 23, 46, 71, 97, 142, 194, 389, 778, 1633, 2231, 3266, 4462, 6887, 8947, 13774, 17894, 27619, 37733, 55238, 75466, 158401, 316802, 635237, 867859, 1270474, 1735718, 2679043, 5358086, 61617989, 123235978]

約数ペア:

[(1, 123235978), (2, 61617989), (23, 5358086), (46, 2679043), (71, 1735718), (97, 1270474), (142, 867859), (194, 635237), (389, 316802), (778, 158401), (1633, 75466), (2231, 55238), (3266, 37733), (4462, 27619), (6887, 17894), (8947, 13774)]