618696

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 1807260

約数和(自身を除く): 1188564

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 661, 936, 1322, 1983, 2644, 3966, 5288, 5949, 7932, 8593, 11898, 15864, 17186, 23796, 25779, 34372, 47592, 51558, 68744, 77337, 103116, 154674, 206232, 309348, 618696]

約数ペア:

[(1, 618696), (2, 309348), (3, 206232), (4, 154674), (6, 103116), (8, 77337), (9, 68744), (12, 51558), (13, 47592), (18, 34372), (24, 25779), (26, 23796), (36, 17186), (39, 15864), (52, 11898), (72, 8593), (78, 7932), (104, 5949), (117, 5288), (156, 3966), (234, 2644), (312, 1983), (468, 1322), (661, 936)]