218423738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{733}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 360440976

約数和(自身を除く): 142017238

約数列:

[1, 2, 13, 26, 73, 146, 157, 314, 733, 949, 1466, 1898, 2041, 4082, 9529, 11461, 19058, 22922, 53509, 107018, 115081, 148993, 230162, 297986, 695617, 1391234, 1496053, 2992106, 8400913, 16801826, 109211869, 218423738]

約数ペア:

[(1, 218423738), (2, 109211869), (13, 16801826), (26, 8400913), (73, 2992106), (146, 1496053), (157, 1391234), (314, 695617), (733, 297986), (949, 230162), (1466, 148993), (1898, 115081), (2041, 107018), (4082, 53509), (9529, 22922), (11461, 19058)]