321428128

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:830

約数の個数: 96

約数和(自身を含む): 764225280

約数和(自身を除く): 442797152

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 89, 92, 112, 161, 178, 184, 224, 322, 356, 368, 623, 644, 701, 712, 736, 1246, 1288, 1402, 1424, 2047, 2492, 2576, 2804, 2848, 4094, 4907, 4984, 5152, 5608, 8188, 9814, 9968, 11216, 14329, 16123, 16376, 19628, 19936, 22432, 28658, 32246, 32752, 39256, 57316, 62389, 64492, 65504, 78512, 112861, 114632, 124778, 128984, 157024, 225722, 229264, 249556, 257968, 436723, 451444, 458528, 499112, 515936, 873446, 902888, 998224, 1434947, 1746892, 1805776, 1996448, 2869894, 3493784, 3611552, 5739788, 6987568, 10044629, 11479576, 13975136, 20089258, 22959152, 40178516, 45918304, 80357032, 160714064, 321428128]

約数ペア:

[(1, 321428128), (2, 160714064), (4, 80357032), (7, 45918304), (8, 40178516), (14, 22959152), (16, 20089258), (23, 13975136), (28, 11479576), (32, 10044629), (46, 6987568), (56, 5739788), (89, 3611552), (92, 3493784), (112, 2869894), (161, 1996448), (178, 1805776), (184, 1746892), (224, 1434947), (322, 998224), (356, 902888), (368, 873446), (623, 515936), (644, 499112), (701, 458528), (712, 451444), (736, 436723), (1246, 257968), (1288, 249556), (1402, 229264), (1424, 225722), (2047, 157024), (2492, 128984), (2576, 124778), (2804, 114632), (2848, 112861), (4094, 78512), (4907, 65504), (4984, 64492), (5152, 62389), (5608, 57316), (8188, 39256), (9814, 32752), (9968, 32246), (11216, 28658), (14329, 22432), (16123, 19936), (16376, 19628)]