261564004

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{16823}}^1$

素因数の和:16876

約数の個数: 36

約数和(自身を含む): 517237056

約数和(自身を除く): 255673052

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 169, 299, 338, 598, 676, 1196, 3887, 7774, 15548, 16823, 33646, 67292, 218699, 386929, 437398, 773858, 874796, 1547716, 2843087, 5030077, 5686174, 10060154, 11372348, 20120308, 65391001, 130782002, 261564004]

約数ペア:

[(1, 261564004), (2, 130782002), (4, 65391001), (13, 20120308), (23, 11372348), (26, 10060154), (46, 5686174), (52, 5030077), (92, 2843087), (169, 1547716), (299, 874796), (338, 773858), (598, 437398), (676, 386929), (1196, 218699), (3887, 67292), (7774, 33646), (15548, 16823)]