28197738

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^2\times {\mathrm{421}}^1$

素因数の和:551

約数の個数: 36

約数和(自身を含む): 62260614

約数和(自身を除く): 34062876

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 421, 549, 842, 1098, 1263, 2526, 3721, 3789, 7442, 7578, 11163, 22326, 25681, 33489, 51362, 66978, 77043, 154086, 231129, 462258, 1566541, 3133082, 4699623, 9399246, 14098869, 28197738]

約数ペア:

[(1, 28197738), (2, 14098869), (3, 9399246), (6, 4699623), (9, 3133082), (18, 1566541), (61, 462258), (122, 231129), (183, 154086), (366, 77043), (421, 66978), (549, 51362), (842, 33489), (1098, 25681), (1263, 22326), (2526, 11163), (3721, 7578), (3789, 7442)]