213156788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1\times {\mathrm{241}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 410666256

約数和(自身を除く): 197509468

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 233, 241, 292, 466, 482, 932, 949, 964, 1898, 3029, 3133, 3796, 6058, 6266, 12116, 12532, 17009, 17593, 34018, 35186, 56153, 68036, 70372, 112306, 221117, 224612, 228709, 442234, 457418, 729989, 884468, 914836, 1459978, 2919956, 4099169, 8198338, 16396676, 53289197, 106578394, 213156788]

約数ペア:

[(1, 213156788), (2, 106578394), (4, 53289197), (13, 16396676), (26, 8198338), (52, 4099169), (73, 2919956), (146, 1459978), (233, 914836), (241, 884468), (292, 729989), (466, 457418), (482, 442234), (932, 228709), (949, 224612), (964, 221117), (1898, 112306), (3029, 70372), (3133, 68036), (3796, 56153), (6058, 35186), (6266, 34018), (12116, 17593), (12532, 17009)]