259490764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 499691808

約数和(自身を除く): 240201044

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 197, 292, 347, 394, 694, 788, 949, 1388, 1898, 2561, 3796, 4511, 5122, 9022, 10244, 14381, 18044, 25331, 28762, 50662, 57524, 68359, 101324, 136718, 186953, 273436, 329303, 373906, 658606, 747812, 888667, 1317212, 1777334, 3554668, 4990207, 9980414, 19960828, 64872691, 129745382, 259490764]

約数ペア:

[(1, 259490764), (2, 129745382), (4, 64872691), (13, 19960828), (26, 9980414), (52, 4990207), (73, 3554668), (146, 1777334), (197, 1317212), (292, 888667), (347, 747812), (394, 658606), (694, 373906), (788, 329303), (949, 273436), (1388, 186953), (1898, 136718), (2561, 101324), (3796, 68359), (4511, 57524), (5122, 50662), (9022, 28762), (10244, 25331), (14381, 18044)]