64225456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{607}}^1$

素因数の和:1021

約数の個数: 40

約数和(自身を含む): 132312960

約数和(自身を除く): 68087504

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 389, 607, 778, 1214, 1556, 2428, 3112, 4856, 6224, 6613, 9712, 10319, 13226, 20638, 26452, 41276, 52904, 82552, 105808, 165104, 236123, 472246, 944492, 1888984, 3777968, 4014091, 8028182, 16056364, 32112728, 64225456]

約数ペア:

[(1, 64225456), (2, 32112728), (4, 16056364), (8, 8028182), (16, 4014091), (17, 3777968), (34, 1888984), (68, 944492), (136, 472246), (272, 236123), (389, 165104), (607, 105808), (778, 82552), (1214, 52904), (1556, 41276), (2428, 26452), (3112, 20638), (4856, 13226), (6224, 10319), (6613, 9712)]