78936272

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:567

約数の個数: 40

約数和(自身を含む): 155922312

約数和(自身を除く): 76986040

約数列:

[1, 2, 4, 8, 16, 97, 181, 194, 281, 362, 388, 562, 724, 776, 1124, 1448, 1552, 2248, 2896, 4496, 17557, 27257, 35114, 50861, 54514, 70228, 101722, 109028, 140456, 203444, 218056, 280912, 406888, 436112, 813776, 4933517, 9867034, 19734068, 39468136, 78936272]

約数ペア:

[(1, 78936272), (2, 39468136), (4, 19734068), (8, 9867034), (16, 4933517), (97, 813776), (181, 436112), (194, 406888), (281, 280912), (362, 218056), (388, 203444), (562, 140456), (724, 109028), (776, 101722), (1124, 70228), (1448, 54514), (1552, 50861), (2248, 35114), (2896, 27257), (4496, 17557)]