668261256

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2141863}}^1$

素因数の和:2141885

約数の個数: 32

約数和(自身を含む): 1799165760

約数和(自身を除く): 1130904504

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 2141863, 4283726, 6425589, 8567452, 12851178, 17134904, 25702356, 27844219, 51404712, 55688438, 83532657, 111376876, 167065314, 222753752, 334130628, 668261256]

約数ペア:

[(1, 668261256), (2, 334130628), (3, 222753752), (4, 167065314), (6, 111376876), (8, 83532657), (12, 55688438), (13, 51404712), (24, 27844219), (26, 25702356), (39, 17134904), (52, 12851178), (78, 8567452), (104, 6425589), (156, 4283726), (312, 2141863)]