261931536

素因数分解:

$2^4\times 3^3\times {\mathrm{606323}}^1$

素因数の和:606340

約数の個数: 40

約数和(自身を含む): 751841760

約数和(自身を除く): 489910224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 606323, 1212646, 1818969, 2425292, 3637938, 4850584, 5456907, 7275876, 9701168, 10913814, 14551752, 16370721, 21827628, 29103504, 32741442, 43655256, 65482884, 87310512, 130965768, 261931536]

約数ペア:

[(1, 261931536), (2, 130965768), (3, 87310512), (4, 65482884), (6, 43655256), (8, 32741442), (9, 29103504), (12, 21827628), (16, 16370721), (18, 14551752), (24, 10913814), (27, 9701168), (36, 7275876), (48, 5456907), (54, 4850584), (72, 3637938), (108, 2425292), (144, 1818969), (216, 1212646), (432, 606323)]