67864208

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2243}}^1$

素因数の和:2343

約数の個数: 40

約数和(自身を含む): 138014976

約数和(自身を除く): 70150768

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 488, 496, 976, 1891, 2243, 3782, 4486, 7564, 8972, 15128, 17944, 30256, 35888, 69533, 136823, 139066, 273646, 278132, 547292, 556264, 1094584, 1112528, 2189168, 4241513, 8483026, 16966052, 33932104, 67864208]

約数ペア:

[(1, 67864208), (2, 33932104), (4, 16966052), (8, 8483026), (16, 4241513), (31, 2189168), (61, 1112528), (62, 1094584), (122, 556264), (124, 547292), (244, 278132), (248, 273646), (488, 139066), (496, 136823), (976, 69533), (1891, 35888), (2243, 30256), (3782, 17944), (4486, 15128), (7564, 8972)]