4997912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 9979200

約数和(自身を除く): 4981288

約数列:

[1, 2, 4, 8, 19, 38, 76, 131, 152, 251, 262, 502, 524, 1004, 1048, 2008, 2489, 4769, 4978, 9538, 9956, 19076, 19912, 32881, 38152, 65762, 131524, 263048, 624739, 1249478, 2498956, 4997912]

約数ペア:

[(1, 4997912), (2, 2498956), (4, 1249478), (8, 624739), (19, 263048), (38, 131524), (76, 65762), (131, 38152), (152, 32881), (251, 19912), (262, 19076), (502, 9956), (524, 9538), (1004, 4978), (1048, 4769), (2008, 2489)]