205121256

素因数分解:

$2^3\times 3^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:698

約数の個数: 64

約数和(自身を含む): 521164800

約数和(自身を除く): 316043544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 127, 173, 254, 346, 381, 389, 508, 519, 692, 762, 778, 1016, 1038, 1167, 1384, 1524, 1556, 2076, 2334, 3048, 3112, 4152, 4668, 9336, 21971, 43942, 49403, 65913, 67297, 87884, 98806, 131826, 134594, 148209, 175768, 197612, 201891, 263652, 269188, 296418, 395224, 403782, 527304, 538376, 592836, 807564, 1185672, 1615128, 8546719, 17093438, 25640157, 34186876, 51280314, 68373752, 102560628, 205121256]

約数ペア:

[(1, 205121256), (2, 102560628), (3, 68373752), (4, 51280314), (6, 34186876), (8, 25640157), (12, 17093438), (24, 8546719), (127, 1615128), (173, 1185672), (254, 807564), (346, 592836), (381, 538376), (389, 527304), (508, 403782), (519, 395224), (692, 296418), (762, 269188), (778, 263652), (1016, 201891), (1038, 197612), (1167, 175768), (1384, 148209), (1524, 134594), (1556, 131826), (2076, 98806), (2334, 87884), (3048, 67297), (3112, 65913), (4152, 49403), (4668, 43942), (9336, 21971)]