131790256

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 303891264

約数和(自身を除く): 172101008

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 47, 52, 61, 68, 94, 104, 122, 136, 169, 188, 208, 221, 244, 272, 338, 376, 442, 488, 611, 676, 752, 793, 799, 884, 976, 1037, 1222, 1352, 1586, 1598, 1768, 2074, 2444, 2704, 2867, 2873, 3172, 3196, 3536, 4148, 4888, 5734, 5746, 6344, 6392, 7943, 8296, 9776, 10309, 10387, 11468, 11492, 12688, 12784, 13481, 15886, 16592, 20618, 20774, 22936, 22984, 26962, 31772, 37271, 41236, 41548, 45872, 45968, 48739, 53924, 63544, 74542, 82472, 83096, 97478, 107848, 127088, 135031, 149084, 164944, 166192, 175253, 194956, 215696, 270062, 298168, 350506, 389912, 484523, 540124, 596336, 633607, 701012, 779824, 969046, 1080248, 1267214, 1402024, 1938092, 2160496, 2534428, 2804048, 3876184, 5068856, 7752368, 8236891, 10137712, 16473782, 32947564, 65895128, 131790256]

約数ペア:

[(1, 131790256), (2, 65895128), (4, 32947564), (8, 16473782), (13, 10137712), (16, 8236891), (17, 7752368), (26, 5068856), (34, 3876184), (47, 2804048), (52, 2534428), (61, 2160496), (68, 1938092), (94, 1402024), (104, 1267214), (122, 1080248), (136, 969046), (169, 779824), (188, 701012), (208, 633607), (221, 596336), (244, 540124), (272, 484523), (338, 389912), (376, 350506), (442, 298168), (488, 270062), (611, 215696), (676, 194956), (752, 175253), (793, 166192), (799, 164944), (884, 149084), (976, 135031), (1037, 127088), (1222, 107848), (1352, 97478), (1586, 83096), (1598, 82472), (1768, 74542), (2074, 63544), (2444, 53924), (2704, 48739), (2867, 45968), (2873, 45872), (3172, 41548), (3196, 41236), (3536, 37271), (4148, 31772), (4888, 26962), (5734, 22984), (5746, 22936), (6344, 20774), (6392, 20618), (7943, 16592), (8296, 15886), (9776, 13481), (10309, 12784), (10387, 12688), (11468, 11492)]