1252808921

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{63443}}^1$

素因数の和:63501

約数の個数: 24

約数和(自身を含む): 1620105984

約数和(自身を除く): 367297063

約数列:

[1, 7, 13, 31, 49, 91, 217, 403, 637, 1519, 2821, 19747, 63443, 444101, 824759, 1966733, 3108707, 5773313, 13767131, 25567529, 40413191, 96369917, 178972703, 1252808921]

約数ペア:

[(1, 1252808921), (7, 178972703), (13, 96369917), (31, 40413191), (49, 25567529), (91, 13767131), (217, 5773313), (403, 3108707), (637, 1966733), (1519, 824759), (2821, 444101), (19747, 63443)]