221767910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{243701}}^1$

素因数の和:243728

約数の個数: 32

約数和(自身を含む): 491303232

約数和(自身を除く): 269535322

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 243701, 487402, 1218505, 1705907, 2437010, 3168113, 3411814, 6336226, 8529535, 15840565, 17059070, 22176791, 31681130, 44353582, 110883955, 221767910]

約数ペア:

[(1, 221767910), (2, 110883955), (5, 44353582), (7, 31681130), (10, 22176791), (13, 17059070), (14, 15840565), (26, 8529535), (35, 6336226), (65, 3411814), (70, 3168113), (91, 2437010), (130, 1705907), (182, 1218505), (455, 487402), (910, 243701)]