328199812

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{421}}^1\times {\mathrm{2467}}^1$

素因数の和:2971

約数の個数: 24

約数和(自身を含む): 583237760

約数和(自身を除く): 255037948

約数列:

[1, 2, 4, 79, 158, 316, 421, 842, 1684, 2467, 4934, 9868, 33259, 66518, 133036, 194893, 389786, 779572, 1038607, 2077214, 4154428, 82049953, 164099906, 328199812]

約数ペア:

[(1, 328199812), (2, 164099906), (4, 82049953), (79, 4154428), (158, 2077214), (316, 1038607), (421, 779572), (842, 389786), (1684, 194893), (2467, 133036), (4934, 66518), (9868, 33259)]