1621440496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{61381}}^1$

素因数の和:61529

約数の個数: 40

約数和(自身を含む): 3409892864

約数和(自身を除く): 1788452368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 1016, 1651, 2032, 3302, 6604, 13208, 26416, 61381, 122762, 245524, 491048, 797953, 982096, 1595906, 3191812, 6383624, 7795387, 12767248, 15590774, 31181548, 62363096, 101340031, 124726192, 202680062, 405360124, 810720248, 1621440496]

約数ペア:

[(1, 1621440496), (2, 810720248), (4, 405360124), (8, 202680062), (13, 124726192), (16, 101340031), (26, 62363096), (52, 31181548), (104, 15590774), (127, 12767248), (208, 7795387), (254, 6383624), (508, 3191812), (1016, 1595906), (1651, 982096), (2032, 797953), (3302, 491048), (6604, 245524), (13208, 122762), (26416, 61381)]