221323674

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257953}}^1$

素因数の和:257982

約数の個数: 32

約数和(自身を含む): 520035264

約数和(自身を除く): 298711590

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 257953, 515906, 773859, 1547718, 2837483, 3353389, 5674966, 6706778, 8512449, 10060167, 17024898, 20120334, 36887279, 73774558, 110661837, 221323674]

約数ペア:

[(1, 221323674), (2, 110661837), (3, 73774558), (6, 36887279), (11, 20120334), (13, 17024898), (22, 10060167), (26, 8512449), (33, 6706778), (39, 5674966), (66, 3353389), (78, 2837483), (143, 1547718), (286, 773859), (429, 515906), (858, 257953)]