131821648

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{701}}^1$

素因数の和:812

約数の個数: 80

約数和(自身を含む): 309194496

約数和(自身を除く): 177372848

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 73, 92, 112, 146, 161, 184, 292, 322, 368, 511, 584, 644, 701, 1022, 1168, 1288, 1402, 1679, 2044, 2576, 2804, 3358, 4088, 4907, 5608, 6716, 8176, 9814, 11216, 11753, 13432, 16123, 19628, 23506, 26864, 32246, 39256, 47012, 51173, 64492, 78512, 94024, 102346, 112861, 128984, 188048, 204692, 225722, 257968, 358211, 409384, 451444, 716422, 818768, 902888, 1176979, 1432844, 1805776, 2353958, 2865688, 4707916, 5731376, 8238853, 9415832, 16477706, 18831664, 32955412, 65910824, 131821648]

約数ペア:

[(1, 131821648), (2, 65910824), (4, 32955412), (7, 18831664), (8, 16477706), (14, 9415832), (16, 8238853), (23, 5731376), (28, 4707916), (46, 2865688), (56, 2353958), (73, 1805776), (92, 1432844), (112, 1176979), (146, 902888), (161, 818768), (184, 716422), (292, 451444), (322, 409384), (368, 358211), (511, 257968), (584, 225722), (644, 204692), (701, 188048), (1022, 128984), (1168, 112861), (1288, 102346), (1402, 94024), (1679, 78512), (2044, 64492), (2576, 51173), (2804, 47012), (3358, 39256), (4088, 32246), (4907, 26864), (5608, 23506), (6716, 19628), (8176, 16123), (9814, 13432), (11216, 11753)]