208649272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{7993}}^1$

素因数の和:8263

約数の個数: 32

約数和(自身を含む): 423042480

約数和(自身を除く): 214393208

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 251, 502, 1004, 2008, 3263, 6526, 7993, 13052, 15986, 26104, 31972, 63944, 103909, 207818, 415636, 831272, 2006243, 4012486, 8024972, 16049944, 26081159, 52162318, 104324636, 208649272]

約数ペア:

[(1, 208649272), (2, 104324636), (4, 52162318), (8, 26081159), (13, 16049944), (26, 8024972), (52, 4012486), (104, 2006243), (251, 831272), (502, 415636), (1004, 207818), (2008, 103909), (3263, 63944), (6526, 31972), (7993, 26104), (13052, 15986)]