2178281638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{259381}}^1$

素因数の和:259432

約数の個数: 32

約数和(自身を含む): 3921855840

約数和(自身を除く): 1743574202

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 442, 494, 646, 4199, 8398, 259381, 518762, 3371953, 4409477, 4928239, 6743906, 8818954, 9856478, 57323201, 64067107, 83780063, 114646402, 128134214, 167560126, 1089140819, 2178281638]

約数ペア:

[(1, 2178281638), (2, 1089140819), (13, 167560126), (17, 128134214), (19, 114646402), (26, 83780063), (34, 64067107), (38, 57323201), (221, 9856478), (247, 8818954), (323, 6743906), (442, 4928239), (494, 4409477), (646, 3371953), (4199, 518762), (8398, 259381)]