271691368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 561330000

約数和(自身を除く): 289638632

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 149, 178, 197, 298, 356, 394, 596, 712, 788, 1157, 1192, 1576, 1937, 2314, 2561, 3874, 4628, 5122, 7748, 9256, 10244, 13261, 15496, 17533, 20488, 26522, 29353, 35066, 53044, 58706, 70132, 106088, 117412, 140264, 172393, 227929, 234824, 344786, 381589, 455858, 689572, 763178, 911716, 1379144, 1526356, 1823432, 2612417, 3052712, 5224834, 10449668, 20899336, 33961421, 67922842, 135845684, 271691368]

約数ペア:

[(1, 271691368), (2, 135845684), (4, 67922842), (8, 33961421), (13, 20899336), (26, 10449668), (52, 5224834), (89, 3052712), (104, 2612417), (149, 1823432), (178, 1526356), (197, 1379144), (298, 911716), (356, 763178), (394, 689572), (596, 455858), (712, 381589), (788, 344786), (1157, 234824), (1192, 227929), (1576, 172393), (1937, 140264), (2314, 117412), (2561, 106088), (3874, 70132), (4628, 58706), (5122, 53044), (7748, 35066), (9256, 29353), (10244, 26522), (13261, 20488), (15496, 17533)]